-
371
Code for classifiers principles governing the consistent placing of books in a system of classification
Gepubliceerd in 1939Boek -
372
Code for classifiers; principles governing the consistent placing of books in a system of classification
Gepubliceerd in 1939Boek -
373
-
374
-
375
Classification. Subclass PQ, part 2: Italian, Spanish, and Portuguese literatures.
Gepubliceerd in 1937Boek -
376
-
377
-
378
-
379
-
380