Practicing Oral History in Historical OrganizationsBarbara W. Sommer · First published 2015Open the Tome
Test Item Bank to Accompany A Practical Guide to Behavioral ResearchRobert Sommer, Barbara Sommer · First published 2001Open the Tome
Practical Guide to Behavioral ResearchSommer Sommer, Robert Sommer, Barbara Sommer · First published 1998Open the Tome
Instructor's manual for A practical guide to behavioral researchBarbara Baker Sommer · First published 1991Open the Tome
A practical guide to behavioral researchRobert Sommer, Barbara Sommer · First published 1980Open the Tome
Zum Problem der Ätiologie der doppelseitigen Ureterdilatation, wenn bei der Untersuchung kein pathologisch-anatomisch fassbares Substrat im Harntrakt nachzuweisen istBarbara Sommer · First published 1962Open the Tome
