Mulford, Clarence E.,
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--The Orphan, 1908.
--Hopalong Cassidy, 1910. Cinema: Hopalong Cassidy
--Man from Bar-20, 1918.
--Hopalong Cassidy Returns, Aeonian Press, Inc., Leyden, Massachusetts, 1923, 1924. Cinema: Hopalong Cassidy
--Cottonwood Gulch, Aeonian Press, Inc., Leyden, Massachusetts, 1924, 1925.
--Hopalong Cassidy Takes Cards, 1937.