Funke, Lewis, Playwrights Talk about Writing: 12 Interviews with Lewis Funke, Dramatic Publishing, 1975.

This collection contains an interview with Howard Sackler and other notable authors.

Gottfried, Martin, "Introduction," in A Few Inquiries, Dial, 1970.

This prefaces A Few Inquiries and provides, through critical analysis, additional insight into the collection of plays.

Sackler, Howard, A Few Inquiries, Dial, 1970.

This is a collection of one-act plays by Sackler, including "Sarah," "The Nine O'Clock Mail," "Mr. Welk and Jersey Jim," and "Skippy."

Trousdale, Marion, "Ritual Theatre: The Great White Hope," in Western Humanities Review, Autumn 1969, pp. 295-303.

This book is a thorough exploration into and examination of the structure and integrity of Sackler's work.