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