urban community at Cologne in the twelfth century.
Publisher: University Microfilms
Published: 1972
Place of publication: [Ann Arbor
Language: eng
Number of pages: 241
Subjects: Cologne (Germany) -- History.; Cologne (Germany) -- Economic conditions -- History.
Notes: Xerox copy of typescript.

Thesis (Ph.D.)--Princeton University, Princeton, N.J., 1970.