Wit and humor

Free to read here, from Project Gutenberg.

Max und Moritz: Eine Bubengeschichte in sieben Streichen

Wilhelm Busch, also an audiobook

German

The Wit of Women

Kate Sanborn, also an audiobook

Max and Maurice: A Juvenile History in Seven Tricks

Wilhelm Busch

Wit and its relation to the unconscious

Sigmund Freud

Watch yourself go by

Al. G. Field

Fantastic Fables

Ambrose Bierce, also an audiobook

The Pirate's Pocket Book

Dion Clayton Calthrop

History of English Humour, Vol. 1

A. G. K. L'Estrange

Witty Pieces by Witty People

Various

History of English Humour, Vol. 2

A. G. K. L'Estrange

Figures of Earth: A Comedy of Appearances

James Branch Cabell

Among the Humorists and After Dinner Speakers, Vol. 1

William Patten

Old Friends: Essays in Epistolary Parody

Andrew Lang, also an audiobook

An outline of humor

Carolyn Wells

Simon the Jester

William John Locke, also an audiobook

Stories of Comedy

Rossiter Johnson

The Book of Anecdotes and Budget of Fun;

Various

The Breitmann Ballads

Charles Godfrey Leland

Crankisms

Lisle de Vaux Matthewman

Cobb's Bill-of-Fare

Irvin S. Cobb

The Slim Princess

George Ade

The Silly Syclopedia

George V. Hobart, also an audiobook

Best Short Stories

Thomas L. Masson

The Wise and Ingenious Companion, French and English;

Abel Boyer

French

Wehman Bros.' Vaudeville Jokes No. 1.

Anonymous

Ciarle e macchiette

Luigi Arnaldo Vassallo

Italian

Der Witz und seine Beziehung zum Unbewußten

Sigmund Freud

German

One Third Off

Irvin S. Cobb, also an audiobook

An Essay towards Fixing the True Standards of Wit, Humour, Railery, Satire, and Ridicule (1744)

Corbyn Morris

Essays on Wit No. 2

Richard Flecknoe

Studies in jocular literature

William Carew Hazlitt

Komik und Humor: Eine Psychologische-Ästhetische Untersuchung

Theodor Lipps

German

Da Loucura e das Manias em Portugal

Júlio César Machado

Portuguese

L'umorismo

Luigi Pirandello

Italian

The story of a doctor's telephone

Ellen M. Firebaugh

Essay upon Wit

Richard Blackmore, Sir

Gedancken von Schertzen

Georg Friedrich Meier

German

Folkhumor

Elias Grip

Swedish