This book is the first issue of the "Dictionary of the language of Russian proverbs and sayings of the late XVII - first half of the XVIII century," which is created on the basis of the computer fund of Russian proverbs and sayings formed at Kazan State University. The publication includes a description of the materials of the Collection of Proverbs of the former Petrovsky Gallery and contains the following main sections: concordance (alphabetic-frequency word indicator with contexts), inverse word indicator, frequency word indicator, alphabetic-frequency word indicator, inverse word indicator, frequency word indicator, quantitive characteristics.