Fifteenth Census of the United States: 1930. Horticulture United States. Bureau of the Census Published: 1932 Total Pages: 160 Get eBook
A Survey of the United States Bulb Industry, a Preliminary Report R. G. Hill Published: 1931 Total Pages: 66 Get eBook
The Quarterly of the Canadian Gladiolus Society Canadian Gladiolus Society Published: 1931 Total Pages: 898 Get eBook
Index to Publications of the United States Department of Agriculture, 1926-1930 United States. Department of Agriculture. Division of Publications Published: 1935 Total Pages: 712 Get eBook
