"The Four Wheel Drive story. A chapter in cooperative enterprise", Howard William Troyer, New York-Toronto-London 1954; "The Dilworth story. The biography of Richard Dilworth, pioneer developer of the Diesel locomotive", Franklin M. Reck, New York-Toronto-London 1954 : [recenzja]

Kwartalnik Historii Nauki i Techniki, Tom 2, Numer 2 (1957) s. 408-409
, Howard William Troyer (aut. dzieła rec.), Franklin M. Reck (aut. dzieła rec.)