Here are the next two, from 1972 No.30 and from 1980 No.34, with thanks to David Dovey and Dan for that issue...
22nd July 1972 - No.30 (Full Issue)
Strips: Crowther in Trouble (Tom Kerr), On the Buses (Harry North), Doctor in Charge (Tom Kerr), Please Sir! (Graham Allen), Catweazle (Gerry Embleton), Follyfoot (Mike Noble), The Fenn Street Gang (Unknown) and Timeslip (Unknown).
16th August 1980 - No.34 (Full Issue)
Cover: Elvis Presley by Arnaldo Putzu.
Strips: The Benny Hill Page (Bill Titcombe), Charlie's Angels (Jim Baikie), Worzel Gummidge (Mike Noble), Meet the Smurfs! (Peyo), Battlestar Galactica (Martin Asbury), Sapphire & Steel (Arthur Ranson) and Mork & Mindy (Bill Titcombe).