Scope and Contents From the Sub-Series:

These folders contain Slater's correspondence regarding specimen collection and scientific research between the 1930s and the end of his life. The folders are organized according to the last initial of the corresponder. Some of Slater's letters are attached to corresponding replies. Folders are organized from earliest date to latest date. When letters with different dates are stapled together, the first letter in that packet is used for dating organization.

Scope and Contents From the Sub-Series:

These folders contain Slater's correspondence regarding specimen collection and scientific research between the 1930s and the end of his life. The folders are organized according to the last initial of the corresponder. Some of Slater's letters are attached to corresponding replies. Folders are organized from earliest date to latest date. When letters with different dates are stapled together, the first letter in that packet is used for dating organization.

Scope and Contents From the Sub-Series:

These folders contain Slater's correspondence regarding specimen collection and scientific research between the 1930s and the end of his life. The folders are organized according to the last initial of the corresponder. Some of Slater's letters are attached to corresponding replies. Folders are organized from earliest date to latest date. When letters with different dates are stapled together, the first letter in that packet is used for dating organization.

Scope and Contents From the Sub-Series:

These folders contain Slater's correspondence regarding specimen collection and scientific research between the 1930s and the end of his life. The folders are organized according to the last initial of the corresponder. Some of Slater's letters are attached to corresponding replies. Folders are organized from earliest date to latest date. When letters with different dates are stapled together, the first letter in that packet is used for dating organization.

Scope and Contents From the Sub-Series:

The subseries on Personal Correspondence contains Slater's letters with friends and family.

Scope and Contents From the Sub-Series:

The subseries on Personal Correspondence contains Slater's letters with friends and family.

Scope and Contents From the Sub-Series:

The subseries on Personal Correspondence contains Slater's letters with friends and family.

Scope and Contents From the Sub-Series:

The subseries on Personal Correspondence contains Slater's letters with friends and family.

Scope and Contents General and Research Materials includes a booklet on Washington's vascular plants from Nelsa Buckingham in 1979, a University disbursement receipt with an attached memo note, a loan receipt regarding specimen exchange of Plethodon idahoensis from University of California - Berkeley, 2 loan receipts regarding specimen exchange of Typhlotriton spelaeus and Thamnophis ordinoides vagrans (on separate occasions)from Chicago Natural History Museum, a receipt of a scientific book purchase in 1936,...

Scope and Contents From the Sub-Series:

Slater's Professional Correspondence contains letters pertaining to scientific research on taxonomy, species diversity, and for textbooks.