In the section of architectural graphics there are projects and drawings of the famous St. Petersburg architects of the XVIII and XIX centuries: F.-B. Rastrelli, I. E. Starov, A. Rinaldi, J. Quarenghi, A. D. Zakharov, A. N. Voronikhin, K. Rossi, O. Montferrand, A. I. Stackenschneider and many others. The St. Petersburg’s architecture of the XX century is presented by the projects of L. A. Ilyin, A. I. Gauguin, N. V. Vasiliev, A. A. Ol, M. G. Langbard, etc.