1931
Bibliografía (10 obras)
Thematic Catalogue of the Musical Works of Johann Pachelbel
2004
A dialogue on the subject catalogue
1983
Representative of the New Left in American Subject Cataloging
The idea of order in bibliography
1978
An introduction to UDC
1969
Towards a theory for UDC
Reclassification Rationale and Problems
1968
Re-classification: some warnings and a proposal
1967
Re-classification
On the Perreault schema of relators and the rules of formation in UDC
1966
