1993 was the first year of the Iowa Specialty Soybean Test Report. It was issued in the AG series as AG 141-3. Call number: S451 I8 A4x (Special Collections)
1994 & 1995 were called Iowa Gold Specialty Soybean Test Report and issued as AG 141-4 and AG 141-5.
All 3 of these specialty reports were also issued as inserts in the Feb. 1994, 1995, and 1996 issues of Iowa Soybean Review. Call number: SB205 S7 I56x (Parks Library General Collection).
1995-2016 are available online from the Committee for Agricultural Development (CAD).
2006-2022 Data files and reports for Iowa Soybean Performance Tests published by the Iowa Crop Improvement Association are available online at: http://www.croptesting.iastate.edu/