- Collectionelis.gra - Elisha Gray Collection
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- File1.8: Biographies and timelines regarding Elisha Gray
- Item1.9: Early days in Highland Park/ by George R Jones, primary source recalling interactions with Dr. Gray, xerox copy
- File1.10: Corres., specifications and legal documents regarding Gray's patents, incl. Letters Patent from Great Britain Patent Office.
- Item1.11: Corres and legal documents between Elisha Gray and the Highland Park Building Company
- Item1.12: Surety bond with Highland Park, Illinois obligating Elisha Gray and Edward H Beeber
- Item1.13: Corres. both to and from Elisha Gray
- Item1.14: Images and secondary information pertaining to to dwellings, including homes and studios, owned by Elisha Gray
- Item1.15: Research produced by Bob Robinson of the Highland Park Historical Society regarding Elisha Gray
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