Табель о рангах
In February 1888 Vasily Kravkov received a rank of Titular Councilor (IX grade of the Table of Ranks) with precedence since 1883, in May 1888 for long service he was promoted to Collegiate Assessor (VIII grade of the Table of Ranks) with precedence since 1886. In 1888 he also passed successfully the exams for the degree of the Doctor of Medicine at the Imperial Kazan University.