She then worked in Saratov on the distribution of "Iskra". She joined the Bolsheviks after the second congress of the RSDLP, in 1903. She was secretary of the committee of this party in Saratov in 1903 and in 1904, and joined at the end of 1904 Saint Petersburg, where she was a member of the committee for the preparation of the 3rd congress of the RSDLP. The meetings of the committee took place in her apartment, and Lenin hid there at the beginning of 1906. In 1907 she organized the clandestine printing house of the Bolsheviks in Saint Petersburg.