P.B. Mingle Co

• 1928 Mingle's seeds for farm and garden
• Guide for clover
• Guide for clover, grass, field and garden seed buyers
• Guide for clover, grass, field and garden seed buyers ...
• Mingle's superior bulbs for autumn planting
• P.B. Mingle Co's 1914 catalogue of clover, grass, field & vegetable garden seeds
• P.B. Mingle Co's 1915 catalogue of clover, grass, field & vegetable garden seeds