Books about American drama -- 20th century (sorted alphabetically)
- Masks, with Jim's beast, Tides, Among the lions, The reason, The house George Middleton
- Minna and Myself Maxwell Bodenheim
- More Portmanteau Plays Stuart Walker
- Mortal Gods, and Other Plays Olive Tilford Dargan
- Mr. Faust Arthur Davison Ficke
- Naturewoman Upton Sinclair
- Prince Hagen Upton Sinclair
- Rachel: A Play in Three Acts Angelina Weld Grimké
- Read-Aloud Plays Horace Holley
- Revolt: A Play In One Act Ellis Parker Butler
- Second-Story Man Upton Sinclair
- Servant in the House Charles Rann Kennedy
- southern cross : A play in four acts Foxhall Daingerfield
- Swat the Fly!": A One-Act Fantasy Eleanor Gates
- Sweet and Twenty: A Comedy in One Act Floyd Dell
- Thousand Years Ago: A Romance of the Orient Percy MacKaye
- Thursday Evening: A Comedy in One Act Christopher Morley
- Trysting Place: A Farce in One Act Booth Tarkington
- Two Mothers John G. Neihardt
- Two Slatterns and a King: A Moral Interlude Edna St. Vincent Millay
- Vegetable; or, From President to Postman F. Scott Fitzgerald
- Why Marry? Jesse Lynch Williams
- 裁判 (Japanese) Elmer Rice