English language

Free to read here, from Project Gutenberg.

247 titles · page 1 of 6

Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)

Thomas Davidson

Roget's Thesaurus of English Words and Phrases

Peter Mark Roget

The Elements of Style

William Strunk

Diccionario Ingles-Español-Tagalog

Sofronio G. Calderón

Spanish, Tagalog

Webster's Unabridged Dictionary

Various

A Concise Anglo-Saxon Dictionary

J. R. Clark Hall

The Devil's Dictionary

Ambrose Bierce, also an audiobook

Hobson-Jobson

Henry Yule, Sir and A. C. Burnell

Putnam's word book

Louis A. Flemming

The Comic English Grammar: A New And Facetious Introduction To The English Tongue

Percival Leigh

A Concise Dictionary of Middle English from A.D. 1150 to 1580

A. L. Mayhew and Walter W. Skeat

Roget's Thesaurus

Peter Mark Roget

A Complete Dictionary of Synonyms and Antonyms

Samuel Fallows

The Grammar of English Grammars

Goold Brown

A Dictionary of Slang, Cant, and Vulgar Words

John Camden Hotten

Stories from Tagore

Rabindranath Tagore, also an audiobook

The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W

Project Gutenberg and Noah Webster

1811 Dictionary of the Vulgar Tongue

Francis Grose

Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)

Thomas Davidson

The slang dictionary

John Camden Hotten

An Advanced English Grammar with Exercises

George Lyman Kittredge and Frank Edgar Farley

The Gutenberg Webster's Unabridged Dictionary: Section I, J, K, and L

Project Gutenberg and Noah Webster

Fiue hundred pointes of good husbandrie

Thomas Tusser

The Gutenberg Webster's Unabridged Dictionary: Section A and B

Project Gutenberg and Noah Webster

Phrases and Names, Their Origins and Meanings

Trench H. Johnson

A short introduction to English grammar

Robert Lowth

The Gutenberg Webster's Unabridged Dictionary: Section P and Q

Project Gutenberg and Noah Webster

The Raven, and The Philosophy of Composition

Edgar Allan Poe, also an audiobook

Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)

Thomas Davidson

The Gutenberg Webster's Unabridged Dictionary: Section S

Project Gutenberg and Noah Webster

The Gutenberg Webster's Unabridged Dictionary: Section R

Project Gutenberg and Noah Webster

English Past and Present

Richard Chenevix Trench

The American Language

H. L. Mencken, also an audiobook

Grammar-land; Or, Grammar in Fun for the Children of Schoolroom-shire

M. L. Nesbitt

German composition

Hermann Lange

Reliques of Ancient English Poetry, Volume 1 (of 3)

Thomas Percy

Business English: A Practice Book

Rose Buhlig

A Military Dictionary and Gazetteer

Thomas Wilhelm

Fifteen Thousand Useful Phrases

Grenville Kleiser, also an audiobook

An English Grammar

William Malone Baskervill and James Witt Sewell

The Gutenberg Webster's Unabridged Dictionary: Section F, G and H

Project Gutenberg and Noah Webster

The Gutenberg Webster's Unabridged Dictionary: Section D and E

Project Gutenberg and Noah Webster

Heath's French and English dictionary

Jean Louis de Lolme

The Gutenberg Webster's Unabridged Dictionary: Section M, N, and O

Project Gutenberg and Noah Webster

Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)

Thomas Davidson

Synonyms and antonyms

Edith B. Ordway

The Gutenberg Webster's Unabridged Dictionary: Section C

Project Gutenberg and Noah Webster

Slang and its analogues past and present, volume 3 [of 7]

John Stephen Farmer and William Ernest Henley