Following the name of the champion(s): Indicates the number of times the wrestler has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
*
If used next to the names of the wrestlers, they may, in fact, not have held the title in the period indicated. If used next to the dates or places, either they are possibly wrong or the title changes are fictitious.
<
Title was held or changed hands no later than this. In these cases, it is known that a wrestler held the title at a certain time but not when he/she won it.
+
Broadcast date; the actual recording date is unknown.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the wrestler shown should be recognized as a true title holder. These listings are also italicized in HTML files
"Recognized as the national champion by Ring Magazine" (The Van Nuys News, 57-05-02); claims to have defeated Ray Gunkel in Houston, TX for the title (Valley Times TODAY, N. Hollywood, CA, 62-06-30); Dick Hutton defeats Varga via DQ on 60-11-09 in Los Angeles, CA and is reported as winning the title, most likely by mistake (The Los Angeles Times, 60-11-10); Varga defeats Hutton to "retain" the title on 60-12-15 (The Los Angeles Times, 60-12-15); Enrique Torres defeats Varga by DQ on 62-05-02 in Los Angeles, CA to "claim" the title (Citizen-News, Hollywood, CA, 62-05-03), but Varga continues to be billed as champion; still champion as of 63-11-12; most likely inactive from 64-06; still/again billed as the champion upon returning in 67-09; still champion as of 68-11-23.
* Thanks to Kriss Knights for additional information.