Source: A small 1970s paperback. Sorry!
*
*
Note: We posted a found Web image of this a while ago, but when we located our own copy, we had to get closer. The original was in FF Annual #3. Our scan is from a later FF Annual, in which it was reprinted.
*
Source: We've lost track of where we scanned these, but both are from reprints of early FF issues.
Source: "Fantastic Four" #21
Source: "Fantastic Four Giant" #5. Invented by Stan Lee and Jack Kirby.
*
Source: "Fantastic Four Giant" #5, Jack Kirby
*
Source: "Fantastic Four" #88
*
Source: "Marvel's Greatest Comics" #29
*
Source: "Fantastic Four Giant" #5
Source: "Fantastic Four" #96
*
Source: "Fantastic Four" #12, via a late '60s reprint.
Source: "Captain America" #202. Jack Kirby.
Source: "Fantastic Four" #21 - Jack Kirby.