Columbia subject headings:
Harvard subject headings:
Beilstein, Friedrich Konrad, 1838-1906. Beilsteins Handbuch der organischen Chemie--Indexes.
Chemistry, Organic--Indexes.
Princeton subject headings:
Beilstein, Friedrich Konrad, 1838-1906. Handbuch der organischen Chemie--Indexes.
Chemistry, Organic--Indexes.
Indexes.