With brother Michael, 1880..1881
Larissa Kosach with her brother Michael. Photo 1880..1881.
Source: Lesja Ukrainka Complete academic collection of the works in 14 vols. – Lutsk: 2021, vol. .
Other pablications: Kosach-Kryvynjuk O. Lesja Ukrainka: chronology of the life and works. – New York: 1970, p.882.
Lesja Ukrainka. Collected works in 12 volumes. – K.: Naukova Dumka, 1975, Vol. 1, p.128.