De Zeng, Henry Lawrence, 1866–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2409855A
- pdbooks.info ID: 121895
Henry Lawrence De Zeng Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| The modern phorometer: including the phorometer-trial frame, phoro-optometer, and the rotary cross-cylinder | 1917 | Author | |  | |  | | 
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