Scope and Contents From the Collection:

The Mabelle Campbell photograph collection includes six photo albums, thirty-nine loose photos, two Philadelphia Rapid Transit Company Hiking Club Lists, and nine pamphlets from the Leidy Microscopical Club. The albums, photos, and papers document excursions of the Delaware Valley Naturalists Union from 1894-1939. According to a conversation with Mrs. Campbell in 1980, most of the photographs were taken by Harold Palmer

This collection is arranged chronologically.

Scope and Contents From the Collection:

The Mabelle Campbell photograph collection includes six photo albums, thirty-nine loose photos, two Philadelphia Rapid Transit Company Hiking Club Lists, and nine pamphlets from the Leidy Microscopical Club. The albums, photos, and papers document excursions of the Delaware Valley Naturalists Union from 1894-1939. According to a conversation with Mrs. Campbell in 1980, most of the photographs were taken by Harold Palmer

This collection is arranged chronologically.

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents From the Collection: The collection consists of catalogs, information about special collections within our holdings, lists of birds offered for sale, donated, exchanged or discarded, various working notes of the curators, personnel of the department, and general notes. The persons most concerned in this material are John Cassin, Elliott Coues, William A. Kite, Spencer Trotter, Mr. Hill and Wharton Huber, with Witmer Stone adding the later personal touches to the material describing our bird collection. Not only...

Scope and Contents The Samuel Gibson Dixon Papers include correspondence from, to, or copied to Samuel Gibson Dixon, who was President of the Academy of Natural Sciences from 1891-1918. A large chunk of this correspondence pertains to the discussion of renovations being made to the Academy building, most particularly building a new library, and the collection includes continuous conversation between Dixon, The Snead & Co. Iron Works, the Otis Elevator Company, Wilson, Harris & Richards (architects),...