Ellsworth Ledrew.

• UWA1-87-0024-1983-83-03-26
• File
• March 29, 1983

Part of Graphic Services fonds.

Ellsworth LeDrew with WATDEC system.

• UWA1-87-0024-1987-87-09-35
• File
• September 22, 1987

Part of Graphic Services fonds.

LeDrew, Professor Ellsworth, with remote sensing pictures

• SCA98-GA68-1982-82-1320
• File
• September 24, 1982

Part of Kitchener-Waterloo Record Photographic Negative Collection

Kitchener-Waterloo Record