We are obligated: An interpretive analysis of twenty-five years of progressive leadership By Smith, Robert A. Books / Hardcover History: World › Africa Publisher: Hanseatische Druckanstalt, January 1969 Price $43.95 Free Shipping Send to a friend Collectible - Acceptable First Edition First edition copy. Collectible - Acceptable. No Dust Jacket Dampstained. (William V. S. Tubman, Liberia, Presidents, Politics, Biography) $43.95 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.