Europe After 8:15. 1914. (With H.L. Mencken, q.v., and Willard
Huntingdon Wright.)
Another Book on the Theatre. 1916.
Bottoms Up. 1917.
Mr. George Jean Nathan Presents. 1917.
A Book Without a Title. 1918.
The Popular Theatre. 1918.
Comedians All. 1919.
Heliogabalus. 1920. (With H.L. Mencken, q.v.)
The American Credo. 1920. (With H.L. Mencken, q.v.).
The Theatre, the Drama, the Girls. 1921.
The Critic and the Drama. 1922.