- MS-14-33
- Fonds
- 1921-1984
Fonds contains records created by William Threlfall that pertain primarily to the diseases, virology, and parasitology of birds and waterfowl. Records are thesis, research notes, and articles.
Collected reprints, volumes I & II / William Threlfall
Part of William Threlfall fonds
Part of William Threlfall fonds
Ectoparasites / Wheeler and Threlfall
Part of William Threlfall fonds