181 (1945); McDougal, Myers S. &Lans, Asher, Treaties and Congressional Executive Agreements or Presidential Agreements: Interchangeable Instruments of National Policy: II, 54 Yale L.J. 534 (1945) (arguing that a need for flexibility justifies the perfect interchangeability of congressional contracts and executive agreements). If you need help with contract research, visit the Georgetown University Law Library`s Research Help site on the Georgetown University Law Library website. Or contact the International and Foreign Law Department of the Law Library by phone (202-662-4195) or by e-mail (firstname.lastname@example.org). . . .