- 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.
Ectoparasites / Wheeler and Threlfall
Part of William Threlfall fonds
Part of William Threlfall fonds
Collected reprints, volumes I & II / William Threlfall
Part of William Threlfall fonds