Date	7/19 January 1893
Addressed to	Ekaterina Laroche
Where written	Paris
Language	Russian
Autograph Location	unknown; sold by R. R. Auction, Amherst (New Hampshire), March 2009 (see http://www.rrauction.com/past_auction_item.cfm?ID=3185621 )
Publication	П. И. Чайковский. Полное собрание сочинений, том XVII (1981), p. 19–20
Notes	Photocopy in Klin (Russia): Tchaikovsky House-Museum Archive

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