Encyclopedias, Almanacs, Transcripts, and Maps
- Wave Power
- Wawalag
- Waxbills and Grassfinches (Estrildidae)
- Waxwings and Silky Flycatchers (Bombycillidae)
- Weasels, Badgers, Skunks, and Otters (Mustelidae)
- Weather & Climate of the Millennium
- Weather Fundamentals
- Weather Information & Communications
- Weather: An Introduction
- Weavers (Ploceidae)
- Weber, Max
- Webs and Nets
- weedkiller
- weever
- Wellington, Arthur Wellesley, Duke of
- Wells
- Wells, H.G.
- Welsh National Party
- Wenceslas, Saint
- Wensinck, A. J.