Sirani kept a meticulous list and records of her paintings and who commissioned them beginning in 1655 , which is recorded in Malvasia 's biography .
Of these hundreds of drawings , about a quarter relate to known paints or prints done by Sirani .
Sirani kept a meticulous list and records of Sirani 's paintings and who commissioned them beginning in 1655 , which is recorded in Malvasia 's biography .
Of these hundreds of drawings , about a quarter relate to known paints or prints done by Sirani .