Supplement to the Library Catalogue of Printed Books and Pamphlets On Agriculture Published Between 1471 and 1840: List of Additions Since 1940 — latest news, discussion & facts — IJR
Supplement to the Library Catalogue of Printed Books and Pamphlets On Agriculture Published Between 1471 and 1840: List of Additions Since 1940
bibliography
Supplement to the Library Catalogue of Printed Books and Pamphlets On Agriculture Published Between 1471 and 1840: List of Additions Since 1940
1949 bibliography by Rothamsted Experimental Station Library