Hardy Boys
49. The Bombay Boomerang (1970) (as by Franklin W Dixon)
51. The Masked Monkey (1972) (as by Franklin W Dixon)
55. The Witchmaster's Key (1975) (as by Franklin W Dixon)
56. The Jungle Pyramid (1976) (as by Franklin W Dixon)
57. The Firebird Rocket (1977) (as by Franklin W Dixon)
61. The Pentagon Spy (1980) (as by Franklin W Dixon)
63. The Mummy Case (1980) (as by Franklin W Dixon)
64. Mystery Of Smugglers Cove (1980) (as by Franklin W Dixon)
65. The Stone Idol (1980) (as by Franklin W Dixon)
71. Track Of The Zombie (1982) (as by Franklin W Dixon)
75. Trapped At Sea (1982) (as by Franklin W Dixon)
77. The Crimson Flame (1983) (as by Franklin W Dixon)

Tom Swift Jr
33. Tom Swift and the Galaxy Ghosts (1971) (as by Victor Appleton II (House Name))

Edgar Allan Poe (1961) (see Edgar Allan Poe)
The King and the Quaker: A Study of William Penn And James 11 (1962)
Josiah Royce (1964)
Louis XIV (1966)
The Wizard from Vienna: Franz Anton Mesmer (1975)
The Trial of Peter Zenger (1976)
Gold: An Illustrated History (1979)
Spy Counterspy an Encyclopedia of Espionage (1982)
A Tale from the Arabian Knights (1985)
Vincent Van Gogh (1987)
Thomas Alva Edison (1989)
The Eighth Amendment (1991)
American Spies and Traitors (2004)