American World War II poster promoting victory gardens, 1944. Artist: Morley Size.

The Minnesota State Horticultural Society's flower show judging brochure: procedures, standards, scoring, 1963.

Minnesota Horticulturist magazine cover, June, 1958.

Minnesota State Horticultural Society and Ramsey County Garden Club, St. Paul, 1934.

Minnesota State Horticultural Society booth at the Minnesota State Fair, 1927.

Annual membership ticket for member J. L. Nydahl, signed by executive secretary A. W. Latham, 1910.

Prominent horticulturists at the summer meeting of the Minnesota State Horticultural Society, 1902.

A. W. Latham, first executive secretary of the Minnesota State Horticultural Society, 207 Kasota Block, Minneapolis,1901.

W. L. Carlyle (left) and R. S. Mackintosh (right) eating watermelon that was awarded first premium prize, probably at the Minnesota State Fair, 1895. Mackintosh was the society's president from 1918–1919 and secretary-treasurer from 1920–1943.

Minneapolis Market Gardeners Association Display at the Minnesota State Fair, First Prize Winner, 1905.