Digging by Steam (Map Technical Publication)

Mike Mulligan and His Steam Shovel

Virginia Lee Burton

The diggers

Margaret Wise Brown

Moving the earth

Nichols, Herbert L.

Diggers and Cranes (Young Machines)

Caroline Young

Dump trucks and other big machines

Ian Graham

Diggers

Marv Alinas

Pirates Don't Drive Diggers

Alex English

Dazzling Diggers

Tony Mitton

Digger

Nicola Deschamps

Agricultural mechanization

Claude Culpin