Analysis of information sources in references of the Wikipedia article "Fort Hamilton" in French language version.
« ...Reaching New York on the night of April 10, 1841, in a period of very bad weather, Lee soon discovered that his task was not as interesting as he had hoped it would be — that it was laborious but technically not difficult. His instructions were to institute somewhat elaborate repairs at Fort Lafayette, and to make various changes in Fort Hamilton, particularly in the parapet, so as to adapt it to barbette guns. »
