Billerica Public Library

j621.8

Type

http://bibfra.me/vocab/lite/Category

Label

j621.8

Code

j621.8

Source

ddc

Defined by

ddc

Actions

Incoming Resources

Classification of
2
- Operation cupcake, how simple machines work, by Bambi Edlund
- Pulling up, the pulley, written by Gerry Bailey ; illustrated by Mike Spoor

Outgoing Resources

Defined by
1
- ddc