Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1950

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1944

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1954

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1956

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1943

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1948

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1957

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1945

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1947

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1955

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1946

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1963

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1961

Bibliography of public library surveys contained in the collections of the University of Chicago Library and the Headquarters Library of the American Library Association /

Mode of access: Internet.

The regulations of the University of Chicago.

Mode of access: Internet.