File consists of 11 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically. File also includes 12 pages of handwritten bibliographic references.

File consists of approximately 60 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 35 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 35 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 15 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 30 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 30 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of approximately 65 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.

File consists of 2 letters, one outgoing from Abbott and one incoming from correspondent.

File consists of 11 letters, including outgoing letters from Abbott and incoming letters from correspondents. Letters are arranged alphabetically.