The author informs on his plans to visit China next summer and asks to arrange for him and his wife to visit an addressee in Novosibirsk on the way to China. He tells of his results of computing experiments.

The author and his wife were very happy to talk with the addressee by telephone. He informs about his work plans, family news and asks when the addressee will be in the USA again. Perhaps the author can fly to meet the addressee somewhere.

addressed to Ershov's friend with the request to apologise for a tactless behaviour of a reporter who printed a story containing Ershov's "off the record" remarks. Enclosed arethe article's copy and the list of the books sent to Ershov

The author regrets that the addressee flew over Novosibirsk. He asks about the addressee's leaving for Michigan. (There is a riddle: postcard sent to Michigan returned to the author from state NY.)