There is no known way to contact the SDL, though some claim to know select members. The SDL have no known enemies besides the Jefferson Society, and no clashes with other secret societies have taken place. The tapping rituals and processes, like those of other societies, is not known. The group has no connection to the student-organized company of volunteer soldiers, also called the Sons of Liberty, who conducted training drills on the Lawn in 1861 after the outbreak of the Civil War.