[editor, Jean Theisen ; associate editor, Helen Savaga ; production associate, Phyllis Spinelli]
Gale Research
1971
Class A , Class B, pt. I , Class B, pt. II , Class C , Class D , Class E-F , Class G , Class H , Class J , Class K , Class L , Class M , Class N , Class P, subclasses P-PA , Class P, subclasses PB-PH , Class P, subclass PG(In part) , Class P, subclass PA-Supplement , Class P, subclasses P-PM-Supplement , Class P, subclass PQ, pt. 1 , Class P, subclass PQ, pt. 2 , Class P, subclass PT, pt. 1 , Class P, subclass PT, pt. 2 , Class P, subclasses PJ-PM , Class P, subclasses PN, PR, PS, PZ , Class Q , Class R , Class S , Class T , Class U , Class V , Class Z
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