Several perspectives or branches of such academic dictionary research have been distinguished: ' dictionary criticism ' ( or evaluating the quality of one or more dictionaries, e. g. by means of reviews ( see Nielsen 2009 )), ' dictionary history ' ( or tracing the traditions of a type of dictionary or of lexicography in a particular country or language ), ' dictionary typology ' ( or classifying the various genres of reference works, such as dictionary versus encyclopedia, monolingual versus bilingual dictionary, general versus technical or pedagogical dictionary ), ' dictionary structure ' ( or formatting the various ways in which the information is presented in a dictionary ), ' dictionary use ' ( or observing the reference acts and skills of dictionary users ), and ' dictionary IT ' ( or applying computer aids to the process of dictionary compilation ).

Several rock historians have claimed that rock and roll was one of the first music genres to define an age group.

Several early films merged the science fiction and horror genres.

Several Andean music genres have also borrowed elements originally introduced by the Peruvian " cumbia " such as electric bass guitars, electronic percussion and little from the original cumbia rhythm.

Several fusion genres such as pop-rock, pop-rap, ethnopop, and pop-folk also have developed.

Several categories in each game dealt with specific television shows or genres.

Several entire genres grew out of the disillusionment and disappointment of World War I.

Several different genres of constructed languages are classified as ' artistic '.

Several world-popular genres of music, such as rock are fairly new in the Paraguayan music scene.

Several episodes are parodies of other TV shows and film genres:

Several new genres of the sport have become popular in Canada, including slopestyle competition, four cross, downhill racing, dirt jumping, and free-ride.

Several Tex Murphy games were proposed during this time in a variety of genres, but none ever entered production.

Several literary genres are conventionally written in a specific style and dialect, that in which the genre originated, regardless the origin of later authors.

Several fiction writers use the technique of inventing a piece of literature or non-fiction and referring to this work as if it actually existed, typically by quoting from the work.

Several works of written and filmed science fiction have plots in which Heaven can be reached by the living through technological means.

Several works of fiction portray a future in which human cloning has become the normal process of reproduction for various reasons.

Several prominent science fiction writers suffered some embarrassment.

Several times during the development of the Oz series, Baum declared that he had written his last Oz book and devoted himself to other works of fantasy fiction based in other magical lands, including The Life and Adventures of Santa Claus and Queen Zixi of Ix.

Several post-Mariner works are homages to the older phase of Mars fiction, circumventing the scientific picture of a dry and lifeless Mars with an unbreathable atmosphere through such science fiction generic staples as positing its future terraforming, or creating alternate history versions of Mars, where Burroughs ' Barsoom, Bradbury's Martian Chronicles or The War of the Worlds are literal truth.

* Several literary critics have noted the influence of phrenology ( and physiognomy ) in Edgar Allan Poe's fiction.

Several factors may have contributed to the " death " of New Wave science fiction.

Several works of art and fiction significant to the development of the genre were produced before the genre had a name.

Several stories within the One Thousand and One Nights feature early science fiction elements.

Several works of fiction have been based upon the Money Pit, including The Money Pit Mystery, Riptide and The Hand of Robin Squires.

Several works of fiction explain pyrokinetic powers as being the ability to excite or speed up an object's atoms, increasing their thermal energy until they ignite, not necessarily objects, but also air particles.

Several significant feature films, including Stanley Kubrick's final film Eyes Wide Shut, Pedro Almodóvar's first Oscar-winning film All About My Mother, science fiction The Matrix, Deep Canvas-pioneering Tarzan, Best Picture-winner American Beauty, critically acclaimed animated works The Iron Giant, Toy Story 2 and South Park: Bigger, Longer & Uncut, Spike Jonze and Charlie Kaufman's breakout film Being John Malkovich, M. Night Shyamalan's breakout hit The Sixth Sense, the controversial Fight Club, Paul Thomas Anderson's Magnolia and the first installment of George Lucas's Star Wars prequel trilogy were released this year.

Several works of Star Trek spin-off fiction expand on Section 31's operations ; Pocket Books published a four-part series profiling connections between Section 31's operations and the missions of James T. Kirk, Jean-Luc Picard, and the crews of Deep Space Nine and the USS Voyager.

Several well-known works of fiction, particularly in the nineteenth century, have focused on governesses.

Several speculative fiction author bibliographies were posted to the USENET newsgroup rec. arts. sf. written from 1984 to 1994 by Jerry Boyajian, Gregory J. E. Rawlins and John Wenn.

Several songs that appeared on Delirium Trigger were based on a series of science fiction comics written by Claudio Sanchez called The Bag. On. Line Adventures, which was later renamed The Amory Wars.

Several of the science fiction novels and stories of author Spider Robinson also contain references to Travis McGee.

Several characters in children's popular fiction have been based on steam rollers.

Several people questioned the inclusion of fiction in what was claimed to be a non-fiction book.

Several of his works, including " Bears Discover Fire ", have won top awards in the science fiction community, such as the Hugo and the Nebula.

Several of his novels have fantasy or science fiction themes.

Several years of her life have been spent in the homeland, and she had written to friends to alert them of our coming.

Several conventions have been held in recent months in hotels on a nonsegregated basis.

Several dentists and patients with special dental problems have experimented with the device.

Several germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.

Several financial institutions, both banks and insurance companies, have been sounded out.

Several days after the companies had received the questionnaire, members of the research team contacted the presidents of eleven of these companies in person or by phone to discuss any ambiguities or difficulties the addressees might have experienced in completing the questionnaire.

Several signers affixed their names, it was learned, after being told that no tax increase would be possible without consent of the General Assembly and that a provision could be included in the charter to have the town take over the Johnston Sanitary District sewer system.

( Several times recently I have wondered whether shows were being staged for the sake of the script or just to entertain the audience with the spectacle of scenery being shifted right in front of their eyes.

Several of these double entries have been collected by Ben Bagley and Michael McWhinney, along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly heard Rodgers and Hart repertory, in a delightfully refreshing album, Rodgers And Hart Revisited ( Spruce Records, 505 Fifth Avenue, New York ).

Several robot cities have been planned for the country: the first will be built in 2009 at a cost of 500 billion won, of which 50 billion is direct government investment.

Several of the dialects have been influenced by contact with non-Germanic linguistic groups, such as the dialect of Carinthia, where in the past many speakers were bilingual with Slovene, and the dialect of Vienna, which has been influenced by immigration during the Austro-Hungarian period, particularly from what is today the Czech Republic.

Several AFI Alums have received both national and international recognition.

Several unusual applications, such as a nuclear battery or fuel for space ships with nuclear propulsion, have been proposed for the isotope < sup > 242m </ sup > Am, but they are as yet hindered by the scarcity and high price of this nuclear isomer.

Several biographical programs have been made, such as the 2004 BBC television programme entitled Agatha Christie: A Life in Pictures, in which she is portrayed by Olivia Williams, Anna Massey, and Bonnie Wright.

Several additional candidates for written ASL have appeared in over the years, including Sutton SignWriting, Sign Script, ASL-phabet, and Si5s.

Several volcanoes on offshore islands have records of historic activity.

Several of Ambrose's works have recently been published in the bilingual Latin-German Fontes Christiani series ( currently edited by Brepols ).

Several religious brotherhoods which have sprung up in and around Milan at various times since the 14th century have been called Ambrosians.

Several saints and six popes have borne this name, including the only English pope, Adrian IV, and the only Dutch pope, Adrian VI.

Several alternatives to the human sacrifice have been presented in Greek mythology.

Several other princes have borne the name Alexander: