Holdings
1950 - 1954,79; 1954,81 - 1957; 1958,1-17u.20-21u.23u.25-27u.29u.31-33u.35-38u.40-44u.47-48u.50-53; 1958,56 - 1972,140; 1972,142 - 1976,54; 1976,56 - 1976,133; 1976,135 - 1977,10; 1977,12 - 1979; 1980,2 - 1980,25; 1980,27 - 1985; 1986,1-64u.66-69u.71-105; 1987 - 110.1993; 111.1994,1-24u.26-52; 112.1995