The Institutional Archives serves as the institutional memory of CLP and maintains records of enduring value chronicling the development of CLP since its inception in 1895. Resources include administrative records created by departments, branches, administration, the director, and trustees, as well as other materials that document the historical function of the library such as programming, facilities, press releases, and more.

Finding aids to these collections will be hosted on Historic Pittsburgh. Links to finding aids will be added to this page as they become available. Some manuscript collections are available in microfilm.

Andrew Carnegie Correspondence Collection 1890 – 1920 – This collection is composed of three series: the Library Series, the Institute Series and the Miscellaneous Series. The collection consists entirely of correspondence with the exception of a few newspaper clippings that were attached to letters of correspondence. Most correspondence is available on microfilm.

Carnegie Library of Pittsburgh Branches – Materials including their history and operation.

• Allegheny Regional 1889 – 2000
• Allegheny Regional 1934 – 2005
• Beechview 1930 – 1994
• Brookline 1930 – 2003
• Carrick 1935 – 1994
• Downtown/Business 1923 – 2001
• East Liberty 1903 – 2010
• Hazelwood 1900 – 2009
• Hazelwood 2000 – 2013
• Hill District 1899 – 2008
• Homewood 1902 – 2002
• Knoxville 1935 – 1989
• Knoxville 1936 – 1965
• Lawrenceville 1898 – 1989
• Lawrenceville 1901 – 1998
• Library for the Blind and Physically Handicapped (LBPH) 1946 – 2002
• Martin Luther King Jr Reading Center 1964 – 2001
• Washington 1900 up through the 2000s.
• Sheraden 1956 – 1988
• Sheraden 1966 – 2002
• South Side 1909 – 1989
• South Side 1909 – 2005
• South Side 1970 – 2008
• South Side 1990 – 2012
• Squirrel Hill 1962 – 2002
• Woods Run 1956 – 2006
• Woods Run 1964 – 2012

Carnegie Library School – Contains Library School Association’s materials as well as annual reports and minutes of faculty meetings from 1901 to 1963.

Children’s Department, Main – Contains reports, programming, correspondence, photographs, and historical material pertaining to the Children’s Department from 1901 up through the 2000s.

Community Relations/CC&S – Relates to administrative aspects of Carnegie Library and miscellaneous events including news releases, memorabilia, and photographs from 1900 to present.

Development Office – Dealing with Library’s funding efforts from 1940 to 2006.

Director’s Office – Collection consists of materials that relate to the day-to-day activities of the Director of the Carnegie Library, but also includes materials that include the various departments and branches.

District Services – Consists of studies, surveys, conferences, and reports that provide the foundation that District Services is based on from 1950 up through the 2000s.

Finance and Administrative Office – Relates to the finances, buildings policies, and activities of Carnegie Library 1960 up through the 2000s.

Friends of Carnegie Library of Pittsburgh – The materials in the collection span the years 1996-2003 and contain Annual Reports, Board minutes, and Rare Book Committee materials.

History and General Information Collection – Various materials relating to many aspects of Carnegie Library of Pittsburgh – reports, histories, and memorabilia from 1892 to present.

Main Library Docents – Materials relating to the library docent training at CLP – Main from 1995 to 1999.

Main Library Services – Documents the Main Library Services Departments under the authority of the Assistant Director of Carnegie Library – Main from 1915 up through the 2000s.

Neighborhood Libraries – Day-to-day workings of the Associate Director of the CLP branches from 1974 up through the 2000s.

President’s Office of the Carnegie Museums – Deals with the daily operation of the President’s Office of Carnegie Institute from 1890 to 1999.

Staff Association – Deals with the organization and functions of the CLP Staff Association from 1943 up through the 2000s.

Volunteer Services – Details the everyday work of this department of Carnegie Library from 1990 up through the 2000s.