Weissbrodt, David S. (2011) - L4
Piscataway, N.J. : Transaction Publishers, [2011]
By Jean-Louis Delvolvé, Gerald H. Pointon, Jean Rouche
London : Graham & Trotman, 1984
Charles Gordon, Stanley Mailman, Stephen Yale-Loehr -- L4
Vols. 1-15 (June 1963-1973).
By Michael W. Bühler and Thomas H. Webster
Beckman, James (2007) - L4
Scaperlanda, Michael A (2009) -- L4
