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Collection Overview

Young, Charles A. (Charles Augustus), 1834-1908
Princeton University. Library. Special Collections
C. A. Young Collection
Manuscripts Division
Permanent URL:
4 boxes and 1.3 linear feet
Storage Note:
  • ReCAP (scarcpxm): Box 1-4


Consists, for the most part, of letters written to nineteenth-century Princeton astronomer C. A. Young by other astronomers and scientific instrument makers.

Collection Description & Creator Information

Scope and Contents

The collection consists, for the most part, of letters written to Young by other astronomers, such as N. M. Paul of the United States Naval Observatory and Leonard Waldo of Harvard, and by clock, astronomical, and scientific instrument manufacturers, including Howard Grubb, Fauth and Co., E. Howard and Co., and Edward Kahler. In addition, there are some drawings of astronomical instruments and a few bank books.

Further accessions include measures (1879) of the polar and equatorial diameters of the planet Mars by Prof. Young at the Observatory of the John C. Green School of Science, Princeton University, and an autograph manuscript with 12 sheets of figures on graph paper from the G. P. Kuiper Scientific Collection. Also included are letters from Simon Newcomb concerning discussions with Stephen H. Emmens in February and March 1897, and two letters from Young to Stephen Alexander discussing equipment for the astronomical observatory to be built on the "Olden lot" on Prospect Ave. in Princeton.


Arranged in alphabetical order.

Collection Creator Biography:

Young, Charles A. (Charles Augustus), 1834-1908

A professor of astronomy at Princeton (1877-1905) and the first director of its Observatory, C. A. Young was an authority on the sun and a pioneer in spectrum analysis.

Collection History


The manuscript, charts, and graphs, were a gift of Mrs. Sarah Kuiper Roth, on August 20, 1979 .

Custodial History

The collection was formed as a result of a Departmental practice of combining into one collection material of various accessions relating to a particular person, family or subject.


No appraisal information is available.

Processing Information

Folder inventory prepared by Feng Zhu '2014 in 2011.

Access & Use

Conditions Governing Access

The collection is open for research.

Conditions Governing Use

Single copies may be made for research purposes. To cite or publish quotations that fall within Fair Use, as defined under U. S. Copyright Law, no permission is required. For instances beyond Fair Use, it is the responsibility of the researcher to determine whether any permissions related to copyright, privacy, publicity, or any other rights are necessary for their intended use of the Library's materials, and to obtain all required permissions from any existing rights holders, if they have not already done so. Princeton University Library's Special Collections does not charge any permission or use fees for the publication of images of materials from our collections, nor does it require researchers to obtain its permission for said use. The department does request that its collections be properly cited and images credited. More detailed information can be found on the Copyright, Credit and Citations Guidelines page on our website. If you have any questions, please feel free to contact us through the Ask Us! form.

Physical Characteristics and Technical Requirements

For preservation reasons, original analog and digital media may not be read or played back in the reading room. Users may visually inspect physical media but may not remove it from its enclosure. All analog audiovisual media must be digitized to preservation-quality standards prior to use. Audiovisual digitization requests are processed by an approved third-party vendor. Please note, the transfer time required can be as little as several weeks to as long as several months and there may be financial costs associated with the process. Requests should be directed through the Ask Us Form.

Credit this material:

C. A. Young Collection; Manuscripts Division, Department of Special Collections, Princeton University Library

Permanent URL:
Firestone Library
One Washington Road
Princeton, NJ 08544, USA
(609) 258-3184
Storage Note:
  • ReCAP (scarcpxm): Box 1-4