Columbia subject headings:
Harvard subject headings:
Armstrong, Margaret, 1867-1944
Book covers--United States--Bibliography.
Publishers' bindings--United States--Bibliography.
University of California, Los Angeles. Library. Department of Special Collections--Catalogs.
Princeton subject headings:
Armstrong, Margaret, 1867-1944--Career in bookbinding.
Bookbinding--United States--History--19th century.
Bookbinding--United States--History--20th century.