| Source: The Voice of Emerson, 1941-1944 (incomplete run) Location: Oversize / St.L. / 05 / V87 | |
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| Last Name: | Callewart |
| First Name: | Len |
| Portrait: | yes |
| Last Name, Alternate Spelling: | Callewaert |
| Volume: | IV |
| Issue: | 5 |
| Date of Publication: | December 1943 |
| Page: | 10 |
