This collection contains four boxes of slide sets, some with related scripts, for the Virginia Cooperative Extension's Master Gardener Program. Most materials are undated, but likely date from between the 1970s and early 2000s. Topics include flowers, fruits, vegetables, trees, landscaping, gardening, composting, and careers in horticulture.

This collection contains the papers of William Logan Threlkeld, professor of zoology and biology at Virginia Polytechnic Institute (1929-1958), including biographical materials, personal and professional correspondence, research files, and printed materials.