Letter to K. Pankivsky (1901)
Last page of M. S. Hrushevsky's letter to K. Pankivsky (late in 1901, autograpg by Mary Hrushevska, postscript and signature – by Mykhajlo Hrushevsky, IL, f.81, № 109)
After publication: Correspondence of Mykhajlo Hrushevsky. – Kyiv: 1997, vol. 1, p. 200.