Riegel, Emil Raymond, 1882–1963
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL833976A
- pdbooks.info ID: 52649
Emil Raymond Riegel Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Chemical machinery | 1944 | Author | |  | | |  | 
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| Industrial chemistry: an elementary treatise for the student and general reader | 1933 | Author | | | | | |
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| Industrial chemistry: an elementary treatise for the student and general reader | 1937 | Author | | | | | |
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| Industrial chemistry: an elementary treatise for the student and general reader | 5th ed. | 1949 | Author | | | | | |
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| Industrial chemistry: an elementary treatise for the student and general reader | 1942 | Author | | | | | |
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| Industrial chemistry, an introduction: an elementary treatise for the student and general reader | 1928 | Author | | | | | |
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