Columbia subject headings:
Harvard subject headings:
Authors, English--Autographs--Congresses.
Cotton, Charles, 1630-1687--Manuscripts--Congresses.
English poetry--Early modern, 1500-1700--Manuscripts--Congresses.
Harington, John, Sir, 1560-1612--Library--Congresses.
Manuscripts, English--Congresses.
Sidney, Philip, 1554-1586--Manuscripts--Congresses.
Sidney, Philip, Sir, 1554-1586. Arcadia--Congresses.
Princeton subject headings:
Cotton, Charles, 1630-1687--Autographs.
Harington, John, Sir, 1560-1612--Autographs.
Sidney, Philip, 1554-1586--Manuscripts.