Several unofficial remakes of Duck Hunt have been released which enable the player to shoot the dog. The dog makes a cameo appearance in the NES game Barker Bill's Trick Shooting ( another Zapper game ) and he can be shot.

Several individuals and companies have produced unofficial material based upon Blake's 7.

Several of the books written by the Strugatsky brothers take part in the same universe, known as The World of Noon ; another unofficial and perhaps less-known title is the Wanderers Universe.

Several left-wing commentators have suggested that Robinson was unfairly smeared by the press of the time, who habitually referred to him as " Red Robbo ", and that contrary to their depiction of him controlling strikes at will, he in fact spent much of his time attempting to prevent unofficial strikes.

Several fan-made or unofficial films have been produced, using Star Trek characters or settings.

Several unofficial copies of the game have been made, both as commercial card games and online gaming sites.

Several unofficial extractors exist for this type of ARC file.

Several incompatible, unofficial, versions of SwingWorker were produced from 1998 to 2006, and care must be taken to avoid the abundant documentation on these versions predating Java 6.

Several unofficial names for this group linking oviraptorosaurs and therizinosaurs were suggested online by scientists such as Paul Sereno, including " Oviraptoriformes " and " Enigmosauria.

Several well-known bands of the time played the venue and the unofficial slogan, " Save Our Butt ," appeared all over town.

Several other common subtypes of uranium glass have their own nicknames:

Several original treatises also survive, and include a work On Fate, in which he argues against the Stoic doctrine of necessity ; and one On the Soul.

Several elementary functions which are defined via power series may be defined in any unital Banach algebra ; examples include the exponential function and the trigonometric functions, and more generally any entire function.

Several smaller new parties that participated for the first time in the 2006 elections include Partido Unión Patriótica and Partido Alianza Democrática Nacionalista.

Several international financial institutions have praised the economic reforms introduced by former president Álvaro Uribe ( elected 7 August 2002 ), which include measures designed to reduce the public-sector deficit below 2. 5 % of GDP in 2004.

Several non-diamond materials, which include cubic zirconia and silicon carbide and are often called diamond simulants, resemble diamond in appearance and many properties.

Several of the most common techniques for producing glass art include: blowing, kiln-casting, fusing, slumping, pate-de-verre, flame-working, hot-sculpting and cold-working.

Several common genotyping techniques include restriction fragment length polymorphism ( RFLP ), terminal restriction fragment length polymorphism ( t-RFLP ), amplified fragment length polymorphism ( AFLP ), and multiplex ligation-dependent probe amplification ( MLPA ).

Several other notable gin-based drinks include:

Several notable architectural accomplishments include the Institute for Sound and Vision, and the largest man-made wildlife crossing in the world, Zanderij Crailo

Several commonly cited legal principles of insurance include:

Several adaptions include tough, leathery leaves, which helps to prevent excessive loss of moisture, and a large taproot which penetrates deep into the soil to reach underground moisture.

Several researchers include the island of Cyprus in Levantine studies, including the Council for British Research in the Levant, the UCLA Near Eastern Languages and Cultures department, and the UCL Institute of Archaeology, the last of which has dated the connection between Cyprus and mainland Levant to the early Iron Age.

Several ancient philosophers expressed the idea that nature produces a huge variety of creatures, randomly, and that only those creatures that manage to provide for themselves and reproduce successfully survive ; well-known examples include Empedocles

Several hypotheses have been advanced, including links to ornithodirans like Scleromochlus, an ancestry among the basal archosauriforms like Euparkeria, or among the prolacertiformes ( which include gliding forms like Sharovipteryx ).

* Several new player races appeared in a late addition to the line, Zebulon's Guide to Frontier Space, and include the Humma ( which resemble kangaroos ), Ifshnit ( akin to dwarves ), Osakar ( lanky, parthenogenic quadrupeds ) and Mechanons ( intelligent robots ).

Several other small Tai groups include the Shan, Lue, and Phutai.

Several post-Heideggerian authors contributing to the Continental philosophy of science in the second half of the 20th century include Jürgen Habermas ( e. g., " Truth and Justification ", 1998 ), Carl Friedrich von Weizsäcker (" The Unity of Nature ", 1980 ), and Wolfgang Stegmüller (" Probleme und Resultate der Wissenschafttheorie und Analytischen Philosophie ", 1973 – 1986 ).

Several well known Wall Street individuals include John Meriwether, John Briggs, Michael Bloomberg, and Warren Buffett ( All affiliated at one time or another with the firm Salomon Brothers ), as well as Bernie Madoff, and numerous others.

Several variations of road bikes include:

Several patterns for sowing may be used together with these types ; these include:

His books of poetry include Poems 1913 and 1914 ( 1914 ); Poems Translated from the French ( 1914 ); Three Poems ( 1916 ); The Barn ( 1916 ); The Silver Bird of Herndyke Mill ; Stane Street ; The Gods of the World Beneath, ( 1916 ); The Harbingers ( 1916 ); Pastorals ( 1916 ); The Waggoner and Other Poems ( 1920 ); The Shepherd, and Other Poems of Peace and War ( 1922 ); Old Homes ( 1922 ); To Nature: New Poems ( 1923 ); Dead Letters ( 1923 ); Masks of Time: A New Collection of Poems Principally Meditative ( 1925 ); Japanese Garland ( 1928 ); Retreat ( 1928 ); Winter Nights: A Reminiscence ( 1928 ); Near and Far: New Poems ( 1929 ); A Summer's Fancy ( 1930 ); To Themis: Poems on Famous Trials ( 1931 ); Constantia and Francis: An Autumn Evening, ( 1931 ); Halfway House: A Miscellany of New Poems, ( 1932 ); Choice or Chance: New Poems ( 1934 ); Verses: To H. R. H. The Duke of Windsor, ( 1936 ); An Elegy and Other Poems ( 1937 ); On Several Occasions ( 1938 ); Poems, 1930-1940 ( 1940 ); Shells by a Stream ( 1944 ); After the Bombing, and Other Short Poems ( 1949 ); Eastward: A Selection of Verses Original and Translated ( 1950 ); Records of Friendship ( 1950 ); A Hong Kong House ( 1959 ); Poems on Japan ( 1967 ).

Several large pieces of sculpture found on Fermilab and designed by Wilson include Tractricious, a free-standing arrangement of steel tubes near the Industrial Complex constructed from parts and materials recycled from the Tevatron collider, and the soaring Broken Symmetry, which greets those entering the campus via the Pine Street entrance.

Several associated risk factors include:

Several recurring characters include Naomi Wildman, the " Captain's Assistant " and daughter of Ensign Samantha Wildman, and the Borg children, Icheb, Mezoti, Azan, and Rebi.

Several variations on the ribbon include neckties, bolo ties, neckerchiefs, and bows.

Several publishers, including Grand River Books, Potomac Books ( formerly known as Brassey's Inc .), and Skyhorse Publishing have re-published the Factbook in recent years.

Several of these communities do not actually border the Detroit River ; the term " Downriver " is used to refer to a cluster of 18 suburban communities that lie to the southwest of the city of Detroit and to the west of the Detroit River.

Several hundred caves are located near Margaret River, all of them within Leeuwin-Naturaliste National Park.

Several rivers flow through the country, the largest being the Ausa, the Marano, and the San Marino River.

Several rivers run through it, including the Suriname River, Nickerie River and Maroni or Marowijne River.

Several of the world's longest rivers go through the taiga, including Ob River | Ob, Yenisei River | Yenisei, Lena River | Lena, and Mackenzie River | Mackenzie.

Several authors16 – 18 have opined that upliftment of the Aravallis led to the westward migration of Saraswati River system due to fault-controlled movements.

* Several Puranas describe the Sarasvati River, and also record that the river separated into a number of lakes ( saras ).

Several smaller rivers also empty into the bay: Dog River, Deer River, and Fowl River on the western side of the bay, and Fish River on the eastern side.

Several lakesthe most important of which are Lake Herăstrău, Lake Floreasca, Lake Tei, and Lake Colentinastretch across the northern parts of the city, along the Colentina River, a tributary of the Dâmbovița.

Several other inlets extend inland from the harbor, at the mouth of the Herring River ( also called " The Gut "), Duck Creek, Blackfish Creek and Fresh Brook ( commonly known as " The Run ") which leads to several brooks.

Several species of turtles, and the slender-snouted, Nile and dwarf crocodile are native to the Congo River Basin.

Several lahar were observed, both in the Whangaehu River and other areas of the mountain, between 18 September and 25 September 1995, indicating the crater lake was being emptied by the eruptions.

His vast and varied interests were by this time fully developed, and during a vacation in 1789, he made a scientific excursion up the Rhine and produced the treatise Mineralogische Beobachtungen über einige Basalte am Rhein ( Brunswick, 1790 ) ( Mineralogic Observations on Several Basalts on the River Rhine ).

Several cities are located along the Neches River Basin, including Evadale, Tyler, Lufkin, Silsbee, Beaumont, Vidor, Port Neches, Nederland, Groves, and Port Arthur.

Several towns in Stanislaus and other counties along the Stanislaus River, including Turlock, Valley Home, and Ripon, were founded and settled by immigrants from Danish, Dutch, German-speaking areas where Stanislaus is a typical surname and masculine given name, and like Estanislao, a variation of Stanley.