United States -- Foreign relations -- 20th century -- Sources -- Databases.

Customer relations -- Management.

Interpersonal relations -- Fiction.

Public relations : a values-driven approach / Guth, David W.

South Africa -- Race relations.

Germany -- Ethnic relations.

European Union countries -- Foreign relations.

Islam -- Relations -- Christianity.

Doing political science and international relations : theories in action / Savigny, Heather.

Henric, Jacques -- Relations with women.

Great Britain -- Ethnic relations -- Fiction.

A dictionary of international relations / Kurian, George Thomas.