Blake, Nelson M. (1942). "Background of Cleveland's Venezuelan Policy". The American Historical Review. 47 (2): 259–277. doi:10.2307/1841667. JSTOR1841667.
Blake, Nelson M. (1942). "Background of Cleveland's Venezuelan Policy". The American Historical Review. 47 (2): 259–277. doi:10.2307/1841667. JSTOR1841667.