Columbia subject headings:
Harvard subject headings:
Books on microfilm--Bibliography--Union lists--Indexes.
Books on microfilm--Indexes.
Early printed books--17th century--Indexes.
Early printed books--English-speaking countries--17th century--Bibliography--Microform catalogs--Indexes.
English imprints--Bibliography--Union lists--Indexes.
English imprints--Microform catalogs--Indexes.
Great Britain--Imprints--Microform catalogs--Indexes.
Princeton subject headings:
Bibliography--Great Britain--Early printed books--17th century--Microform catalogs--Indexes.
Books on microfilm--Indexes.
Early printed books--17th century--Microform catalogs--Indexes.
English imprints--Microform catalogs--Indexes.
Great Britain--Imprints--Microform catalogs--Indexes.