ed. by Matti Kohonen and Francine Mestrum (2009) - UES
Tittle, Martin B. (2008) - L4
Print cancelled in 2009 because available online.
Lawrence, Richard C. (2001-); Westlaw: PLIREF - INTLTX).
BNA - L4; Westlaw: TM-FOR; Lexis: TMPORT
Siemens, E. Edward (2009)
McIntyre, Michael J. (2000-) - L4
Open access website contains bilateral treaties between the U.S. and foreign jurisdictions (in pdf).