Pearson, Raymond, The Russian moderates and the crisis of Tsarism, 1914-1917 /Raymond Pearson. - New York : Barnes and Noble Books, (c)1977. - x, 208 pages, 4. leaves of plates : illustrations ; 23 cm. LCCN: 78104706 //r922 LC Class. No.: DK260 / .R877 1977 DK260