Sommar Mary E 1953 : Medieval church law and the origins of the Western legal tradition : a tribute to Kenneth Pennington / edited by Wolfgang P. Muller & Mary E. Sommar.
Sommer Frederick : Frederick Sommer : photographs, drawings and musical scores : catalogue of an exhibition organised by the Art Museum and Galleries. California State University, Long Beach, 17 October-22 November 1981 at the Serpentine Gallery.
Sommer Udi : Producing reproductive rights : determining abortion policy worldwide / Udi Sommer, Aliza Forman-Rabinovici.
2019
1
Sommer Ulrich : Limnoecology : the ecology of lakes and streams.
1997
1
Sommer Ulrike : News from the land of freedom : German immigrants write home / edited by Walter D. Kamphoefner, Wolfgang Helbich, and Ulrike Sommer; translated by Susan Carter Vogel.
1991
1
Sommer Werner 1924 : Management dictionary : English-German / by Werner Sommer and Hanns-Martin Schoenfeld.
1979
1
Sommerdijk Nico A J M : Sol-Gel materials : chemistry and applications / John D. Wright and Nico A.J.M. Sommerdijk.