Scope and Contents This is a collection of records related to the Academy's Bicentennial Symposium. Materials include: correspondence between Goulden and the symposium speakers; brief biographical sketches of the speakers; symposium programs, brochures, invitations, and tickets; manuscripts and galley proofs of papers given at the symposium; a published symposium volume, edited by Goulden, entitled The Changing Scenes in the Natural Sciences 1776-1976; and six audio tapes of speakers at the symposium. The...

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 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

This is a collection of records of the participation of the Academy of Natural Sciences of Philadelphia in the observance of Earth Week in 1971. Materials include: schedules of events; newspaper articles (copies and clippings); flyers, programs, and brochures; photographs of the installation of exhibitions; press releases and memos; a newsletter from the Franklin Institute; an Earth Week button; and receipts for advertising. The collection also includes a brochure for Earth Day, 1970.

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 In 1832 seven interested geologists and six affiliated societies, of which the Academy of Natural Sciences was one, banded together to form a society, the chief purpose of which was to promote the establishment of a State Geological Survey of Pennsylvania. Most of the geologists were members of the Academy of Natural Sciences and Richard Harlan acted as curator, member of the committee to prepare a statement for the State legislature, and later became the corresponding secretary. The...

Overview Henry (Hal) Williams, MD, practiced homeopathic medicine out of his home office in Lancaster, PA from 1950 to 1993. Collection reflects Williams’ practice and interest in anthroposophical medicine, historical homeopathic texts, homeopathic journals, and homeopathic remedies. There is also documentation reflecting the activity of his wife, Dorothea Weiand Williams, his daughters, and his father, James M. Williams, professor of sociology at Hobart College. Materials include wooden homeopathic...

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.