Columbia subject headings:
Austria. Parlament. Nationalrat.
Gay couples--Legal status, laws, etc.--Austria--History--Sources.
Gay rights--Austria--History--Sources.
Gays--Legal status, laws, etc.--Austria--History--Sources.
Homosexuality--Law and legislation--Austria--History--Sources.
Lesbians--Legal status, laws, etc.--Austria--History--Sources.
Harvard subject headings:
Austria. Parlament. Nationalrat.
Gay couples--Legal status, laws, etc.--Austria--History--Sources.
Gay rights--Austria--History--Sources.
Gays--Legal status, laws, etc.--Austria--History--Sources.
Homosexuality--Law and legislation--Austria--History--Sources.
Lesbians--Legal status, laws, etc.--Austria--History--Sources.
Princeton subject headings:
Austria. Parlament. Nationalrat
Gay couples--Legal status, laws, etc.--Austria--History--Sources.
Gay rights--Austria--History--Sources.
Gays--Legal status, laws, etc.--Austria--History--Sources.
Homosexuality--Law and legislation--Austria--History--Sources.
Lesbians--Legal status, laws, etc.--Austria--History--Sources.