"Sergeant Preston of the Yukon"

Dell Comics - August 1951 - January 1959 (29 issues)

"Robin Hood / The Adventures of Robin Hood

Magazine Enterprises - November 1955 - November 1957 (8 issues)

"Wagon Train"

Dell Comics - March 1958  -  June 1962  (13 issues)

These are known as the 1958 issues.  Gold Key issued a second set of 4 beginning in 1964.

"Rin Tin Tin"

Dell Comics - November 1952  -  November 1963  (38 issues)

The name was changed to “Rin Tin Tin and Rusty” beginning with issue # 18. 

"Steve Donovan  Western Marshall"

Dell Comics - February 1956 - February 1958  (3 issues)

"Howdy Doody"

Dell Comics  -  January 1950  -  July 1956  (38 issues)

"Sgt.  Bilko"

DC Comics -  June 1957 - April 1960  (18 issues)

"Space Adventures Presents Rocky Jones Space Ranger”

Charlton Comics -  March 1955 - September 1955 (4 issues)

"My Little Margie"

Charlton Comics - July 1954 - November 1964  (54 issues)

"Ramar of the Jungle"

Charlton Comics - December 1954  -  September 1956  (5 issues)