@book{UBHD-1036315, author={Strait, Paul}, title={Cologne in the twelfth century}, publisher={Univ. Pr. of Florida}, address={Gainesville}, year={1974}, pages={156 S.}, language={eng}, series={Florida State University Book}, keywords={K{\"o}ln / Geschichte 1100-1200 ; K{\"o}ln / Geschichte 1074-1230}, library={UB [Signatur: 76 B 361] ; GE [Signatur: Pe 438,2]}, }