* XGC Coral 66 Language Reference Manual ( HTML ) and in PDF format, based on the Official Definition.

* Official Charles Goren Quick Reference to Winning Bridge

* The Official Verner Panton Reference Portal and Archives: Photos, designs and producers

* Reference: Official Announcement

* Official Microsoft Macro Assembler Reference

The Official GEOS Programmer's Reference Guide.

# OpenGL ( R ) Reference Manual: The Official Reference Document to OpenGL, Version 1. 4 ( 4th Edition ) by OpenGL Architecture Review Board ISBN 0-321-17383-X

* Official Panavision Media Center & Reference Library

Volume 5 of the Official Handbook of the Marvel Universe A-Z Hardcovers lists the X-Men cartoon as part of the Marvel multiverse, inhabiting Earth-92131.

* Official Handbook of the Marvel Universe A-Z # 7

New Universe reference material is given in the All New Official Handbook Of The Marvel Universe A-Z series.

This was followed by a 2007 update series, All-New Official Handbook Of The Marvel Universe A-Z: Update, the first issue of which ( January 2007 ) features an updated biography of Mark Hazzard: Merc, Quasar, and Spider-Man 2099.

* 2008: All material from 2004-2007 is updated and printed in the Official Handbook of the Marvel Universe A-Z Premiere HC set, divided into 12 volumes ( each containing 240 pages ).

* 2009: The Official Handbook of the Marvel Universe A-Z Premiere HC set continued publication.

According to Volume 4 of the Official Handbook of the Marvel Universe A-Z hardcovers, this Foom was a clone created by the Beyond Corporation.

In the 2000s, the David Rand Ka-Zar was featured in the All New Official Handbook to the Marvel Universe A-Z.

According to volume 12 of the Official Handbook of the Marvel Universe A-Z, this was Sharon's Skrull imposter.

* Official Handbook of the Marvel Universe A-Z # 4 ( 2006 ) ( Marvel Comics )

Man-Killer received an entry in the Official Handbook of the Marvel Universe A-Z 2006 # 7.

Lila Cheney received an entry in the Official Handbook of the Marvel Universe Update ' 89 # 2, and in the All-New Official Handbook of the Marvel Universe A-Z # 2 ( 2006 ).

He received an entry in All-New Official Handbook of the Marvel Universe A-Z # 4 ( 2006 ).

However, in the All-New Official Handbook of the Marvel Universe A-Z, select entries, including that of the Ancient One himself, state that this was probably an impostor.

Howard Maxford, author of The A-Z of Hitchcock: Ultimate Reference Guide, notes that some aspects of the Edith Thompson and Frederick Bywaters case have similarities to the plot of Stage Fright.