[thackney]

The Holy Bible : containing the Old and New Covenant, commonly called the Old and New Testament (1808)

Volume: 1
http://www.archive.org/details/holybiblecontain01thom

Volume: 2
http://www.archive.org/details/holybiblecontain02thom

Volume: 3
http://www.archive.org/details/holybiblecontain03thom

Volume: 4
http://www.archive.org/details/holybiblecontain04thom

Sites contain versions in:

Read Online
PDF
B/W PDF
EPUB
Kindle
Daisy
Full Text
DjVu

[Yosemitest]

Your find is for Jane Aitken, not Robert Aitken, BUT I believe you found the answer to the copyright issue.

Author: Thomson, Charles, 1729-1824
Volume: 1
Subject: Bible
Publisher: Philadelphia : Printed by J. Aitken
Possible copyright status: NOT IN COPYRIGHT

Thanks.

[Yosemitest]

One of the Bibles studied at that time was the Geneva Bible.
Here is an online Geneva Bible 1599 with and without footnotes.
This is worth bookmarking.