More seeds are available in 1967. Prices will vary - some higher, some lower than last year. Many new varieties are adaptable to specific areas and for special needs.
Thompson, H. E.
"Crop Varieties and Seed Outlook for 1967,"
Iowa Farm Science: Vol. 21
, Article 7.
Available at: https://lib.dr.iastate.edu/farmscience/vol21/iss7/7