http://endeavor.med.nyu.edu/lit-med/lit-med-db/webdocs/webauthors/chekhov68-au-.html
 

http://www.imagi-nation.com/moonstruck/clsc6.htm
 

http://webserver.rcds.rye.ny.us/id/Literature/Literaturepagesw.htm
 

http://mockingbird.creighton.edu/NCW/chekhov.htm
 

http://www.geocities.com/Heartland/Bluffs/7745/chekhov.htm
 

http://www.cp-tel.net/miller/BilLee/quotes/Chekhov.html
 

http://people.brandeis.edu/~teuber/chekhovbio.html
 

http://www.kirjasto.sci.fi/tsehov.htm