| GREENWALD, LEO |
| | Name and vital stats |
| | | GREENWALD, LEO (publisher; editor) | NULL |
| | HARVEY COMICS |
| | | CHAMPION~ (publ/co-own/ed/) 1939-40 [Precursor imprint: GREENWALD PUBLICATIONS] Sold out to HARVEY | > 39 40 |
| | | SPEED COMICS~ (publ/ed/) 1939-40 [Imprint: BROOKWOOD] | > 39 40 |