Princeton University Library Catalog
- [Washington, D.C. : U.S. Bureau of the Census]
- Related name
- Facts for industry. Series 30-5, Gray iron castings
- Monthly, with annual summary
- Linking notes
- Merged with: its Series M21b, Malleable iron castings, and its Series M22A, Steel castings, to form: its Series M21c, Iron and steel foundries and steel ingot producers.
- Issuing body
- Prepared in the Industry Division by the Basic and Fabricated Metal Unit.
- Other title(s)
- Gray iron castings
- C - O