Author

ORR, J.B.

Catalogue records by ORR, J.B. in the PakCat Union Catalogue.

3 catalogue records

Catalogue records

MINERALS IN PASTURES & THEIR RELATION TO ANIMAL NUTRITION ORR J.B. 1929 THE WHITE MAN'S DILEMMA ORR, J.B. 1953 THE WONDERFUL WORLD OF FOOD ORR, J.B 1958