Heil, Harold Paul.
| Role | Title | Holding Repository | |
|---|---|---|---|
| creatorOf | Danby, Spencer. Design of a sewage disposal plant for Easton, Pennsylvania / Spencer Danby ; Harold P. Heil. | Lafayette College |
| Role | Title | Holding Repository |
|---|
Filters:
| Relation | Name | |
|---|---|---|
| associatedWith | Danby, Spencer. | person |
| Place Name | Admin Code | Country |
|---|
| Subject |
|---|
| Occupation |
|---|
| Activity |
|---|
