In 1904 among teachers and students
Teachers and students of all-ukrainian Higher summer (vacation) courses. Lviv, 1904
On the right side of the 1st row – Fedir Vovk, Mykhajlo Hrushevsky and Ivan Franko. Then right – Ariadne Dragomanov (Trush) and Ivan Trush.
After publication: Mykhajlo Hrushevsky: collection of scientific papers. – Lviv: 1994