‚Die Kunst des Coachens’

von Marra, Harry (Autor) ...
Erschienen in Leichtathletiktraining, 24 (2012), 9+10, S.62-70

A long strange trip

von Marra, Harry (Autor), ... Ebbets, Russ (Autor)
Erschienen in Track coach, 2013, 202, S. 6446-6454

The decathlon

von Marra, Harry (Autor), ... Freeman, Bill (Autor)
Erschienen in The Athletics Congress's track and field coaching manual, Champaign: Leisure Press (Verlag), 1989, S. 203-208, Lit.

The decathlon

von Marra, Harry (Autor) ...
Erschienen in Track and field quarterly review , 86 (1986), 2, S. 12-15

Decathlon hints

von Marra, Harry (Autor) ...
Erschienen in Modern athlete and coach, 23 (1985), 4, S. 15-18

NSA roundtable combined events

von Minichello, Toni (Autor), ... Marra, Harry (Autor), Vinduškovà, Jitka (Autor), Nool, Erki (Autor)
Erschienen in New studies in athletics, 28 (2013), 3/4, S. 7-18