Crawley, R. (1878). The younger brother: A comedy in five acts. Hardwicke and Bogue.
Lua i Stíl Chicago (17ú heag.)Crawley, Richard. The Younger Brother: A Comedy in Five Acts. London: Hardwicke and Bogue, 1878.
Lua MLA (8ú heag.)Crawley, Richard. The Younger Brother: A Comedy in Five Acts. Hardwicke and Bogue, 1878.
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