Knowledge for the Future of Black Walnut: Proceedings of the Fifth Black Walnut Symposium By J. M. Van Sambeek Books / Paperback Special Collections / Author Archives › Richard G. Lugar Collection Publisher: North Central Forest Experiment Station, January 1997 Price $37.95 Free Shipping Send to a friend Used - Very Good Very Good condition. Short gifter's inscription on front cover. From the collection of Indiana Republican Senator Richard G. Lugar (1932-2019). Senator Lugar was highly regarded for his foreign policy leadership and work in pursuit of nuclear nonproliferation. (Black Walnut Trees, Nature Conservation) $37.95 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.