"There is in these miniatures an arresting potion of cruelty ... The wonderfully compassionate Chekhov was yet to mature." "Vodka Miniatures, Belching and Angry Cats", George Steiner's review of The Undiscovered Chekhov in The Observer, 13 May 2001. Retrieved 16 February 2007.
reference.com
dictionary.reference.com
"Chekhov". Random House Webster's Unabridged Dictionary.
sleuthsayers.org
Willis, Louis (27 January 2013). "Chekhov's Crime Stories". Literary and Genre. Knoxville: SleuthSayers.