Reference Books — 9 Options for Teaching

1911 Encyclopedia Britannica

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Free downloadable software with Webster’s 1828 Dictionary, plus many classic religious reference books, commentaries, dicitonaries, concordances, bibles and more

Webster’s 1828 Dictionary

TheFreeDicitionary.Com

Roget’s Thesaurus
by Peter Mark Roget
Gutenberg Text

Burroughs’ Encyclopaedia of Astounding Facts and Useful Information, 1889
by Barkham Burroughs
Gutenberg Text

The Nuttall Encyclopaedia
Being a Concise and Comprehensive Dictionary of General Knowledge
by Rev. James Wood
Gutenberg Text

The Gutenberg Webster’s Unabridged Dictionary
by Noah Webster & Project Gutenberg

Putnam’s Word Book
by Louis A. Flemming
Gutenberg Text