There is a good Abbott and Costello log here. The main page the log is on is here.
40-03-20 Lion Hunting is 4 minutes of one show dubbed onto 46-12-05 Lion Hunting
41-09-21 W.C. Fields, Bergen and McCarthy is an episode of Edgar Bergen
42-05-11 Lou Substitutes for Joe Dimaggio is really 47-04-17 Lou Substitutes for Joe Dimaggio
42-10-00 Cousin Yugo Gets Married is really 44-10-26 Matrimonial Agency
42-10-08 (014) Guest - Veronica Lake was 44-10-26 Matrimonial Agency
43-03-18 or 43-03-16 At the Circus with Alan Hale is really 44-03-16
43-03-18 (037) Guest - Hal Peary was At the Circus with Alan Hale 44-03-16
43-11-25 Thanksgiving Show should star Jane Wyman. The first line of 43-11-25 should be" Costello, where have you been? Listen, this is Thanksgiving". If the first line is "Costello, Costello, do you realize it's 7:00? Where have you been?", the show is from 44-11-23.
43-12-23 Guest Edward Arnold was 45-12-20 Lou's Christmas Party.
44-02-24 With Blondie and Dagwood should be dated 44-03-09
44-06-18 (or 44-06-15 or 44-06-29) Costello Buys Gifts for the Cast was 44-06-08. The script is at http://tobaccodocuments.org/rjr/514598700-8718.html
44-09-11 Costello Buys a Horse should be 44-11-09 Costello Buys a Horse
44-09-21 (or 44-09-22) Dorothy Lamour is an episode of the Charlie McCarthy Show.
441130 (077) Annual School Play was 44-11-09 Lou’s Race Horse, Peanut Butter. Correct show exists but is not Annual School Play. It is Abbott was at Bank that was Robbed.
450621 Shopping For Father's Day Gift was 450614 Shopping For Father's Day Gift
461114 At the U.N. was from 480811
47-06-06 The Boys Need Dough was 460606
470619 Lou Joins the New York Yankees was 470417
480324 With Frank Nelson was 440113 Lou is catching a cold
480414 Sam Shovel - Case of the Russian Diplomat was 490414. Commercial for game show "Go For The House" says it is Thursday.
480609 At the Ranch was 450405 Andrews Sisters' Ranch
480623 Diamond Jim Costello was 480121
480714 The Adventures of Sam Shovel was a poor copy of 490519 Dust Be My Destiny
480825 Lou Gets a Job in a Drugstore was 46-03-07 Discover Uranium
490505 They Caught Him With His Plants Down was 481014. Opens with flubbed line about a fortune teller. Later mentions Christmas is 2 months away.
ABBOTT and COSTELLO KID'S SHOW
48-01-31 Guest - Lillian Roth was 48-12-18