Katsányi Sándor - Tóth Gyula: A főváros könyvtárának története 1945-1998 (Budapest, 2008)
Somogyi József: Statisztikai adatok
Könyvtárak száma Állomány /db Gyarapodás /db Beírattkozottak /fő Dok.forgalom /db Központi Hálózat Ossz. 1935 1 13 14 467.160 16.443 15.732 1.133.026 1936 1 13 14 479.792 21.495 16.698 1.248.238 1937 1 13 14 485.027 19.117 20.478 1.271.435 1938 1 13 14 500.325 21.804 21.680 1.326.227 1939 1 13 14 517.145 18.890 22.432 1.375.121 1940 1 13 14 524.485 20.732 24.563 1.465.686 1941 1 13 14 531.657 22.039 27.051 1.532.216 1942 1 13 14 548.391 19.501 27.880 1.541.974 1943 1 13 14 561.116 14.846 27.481 1.562.241 1944 1 13 14 542.425 9.927 23.562 1.053.980 1945 1 16 17 529.991 11.678 17.165 407.061 1946 1 18 19 523.693 25.416 25.347 1.089.514 1947 1 19 20 547.151 32.189 25.247 1.117.909 1948 1 20 21 569.053 41.464 27.663 1.429.054 1949 3 23 26 615.647 85.430 30.602 1.384.553 1950 3 27 30 897.774 340.571 43.534 1.637.287 1951 3 37 40 1.031.468 148.126 77.112 1.978.423 1952 3 43 46 1.157.314 149.267 90.489 2.655.442 1953 3 54 57 1.195.004 132.542 112.446 3.236.544 1954 3 62 65 1.353.161 129.430 117.451 3.354.825 1955 3 62 65 1.416.734 109.135 125.193 3.561.274 1956 2 60 62 1.516.435 98.000 128.622 3.426.714 1957 2 64 66 1.508.414 96.027 120.851 3.150.392 1958 1 59 60 1.465.592 109.967 130.944 3.881.344 1959 1 80 81 1.572.701 133.152 140.540 4.660.116 1960 1 90 91 1.658.171 136.172 115.018 4.846.510 1961 1 96 97 1.763.444 167.339 140.700 5.144.686 1962 1 102 103 1.948.533 232.669 153.181 5.927.757 1963 1 108 109 2.002.046 196.321 165.132 6.025.858 1964 2 108 110 2.114.592 243.831 171.215 6.420.804 1965 3 113 116 2.197.128 189.726 179.388 6.507.697 1966 2 111 113 2.307.498 164.301 182.379 6.481.529 1967 2 113 115 2.408.875 159.562 188.076 6.566.930
