Abstract Torsten and Edith Lagerstrom were Angus cattle breeders from Burt, Iowa, and pioneers in breeding record systems. Their system included methods of tracking breeding plans, breeding implementation, calving records, weaning records, and sire progeny. The collection (1831-1992, undated) contains both personal and business papers including biographical information, correspondence, daily diaries, financial data, memorabilia, cattle breeding data, financial records, publications and reference...