61. Low-input Sustainable Agriculture (LISA) seminar: unidentified speaker at the seminar Format: Photographs; Manuscripts Collection: Grace Gershuny Papers, 1976-2007 Date: March 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
62. Low-input Sustainable Agriculture (LISA) seminar: unidentified speaker at the seminar Format: Photographs; Manuscripts Collection: Grace Gershuny Papers, 1976-2007 Date: March 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
63. Low-input Sustainable Agriculture (LISA) seminar: unidentified speaker at the seminar Format: Photographs; Manuscripts Collection: Grace Gershuny Papers, 1976-2007 Date: March 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives
64. Low-input Sustainable Agriculture (LISA) seminar: unidentified woman, polishing boots Format: Photographs; Manuscripts Collection: Grace Gershuny Papers, 1976-2007 Date: March 1990 Institution: University of Massachusetts Amherst Libraries Special Collections and University Archives