All files are pdf files.

The Septuagint version of the Old Testament
by Brenton, Lancelot Charles Lee, Sir, 1807-1862
Published 1844

Two volumes:
The Septuagint (volume 1, volume 2)
The Bible use by our Savior and the apostles
Used in the Christian Church for a thousand years
First English Translation
by Thomson, Charles, 1729-1824; Aitken, Jane, 1764-1832. pbl; Pells, S. F. (Samuel Frederick); Massachusetts Bible Society
Published 1904

A handbook to the Septuagint
by Ottley, Richard Rusden
Published 1920

Sources of New Testament Greek; or, The influence of the Septuagint on the vocabulary of the New Testament
by Kennedy, H. A. A. (Harry Angus Alexander)
Published 1895

Annual accounts of the collation of the MSS. of the Septuagint-version: to which is prefixed a tract
by Holmes, Robert
Published 1789

Bible studies: contributions chiefly from papyri and inscriptions to the history of the language, the literature, and the religion of Hellenistic Judaism and primitive Christianity
by Deissmann, Adolf, Grieve, Alexander
Published 1909

An apology for the Septuagint: in which its claims to biblical and canonical authority are briefly stated and vindicated
by Grinfield, Edward William
Published 1850

The Book of Isaiah According to the Septuagint
by R. R. Ottley
Vols I & II combined in one pdf. Vol. I contains an introduction and translation of Alexandrinus that is displayed in parallel with a translation of the Hebrew text. Vol. II contains the Greek text of Isaiah (according to Alexandrinus) as well as notes on the Greek text.
Published 1904

The Psalter of the Church by F. W. Mozley
by Francis Woodgate Mozley
A comparison of the book of Psalms in Greek Old Textament (Septuagint/LXX) compared to the Hebrew text.
Published 1905.

The Septuagint Text of Hosea Compared with the Massoretic Text
by Patterson, Gaylard H.
Published 1891

The Witness of the Vulgate, Peshitta and Septuagint to the Text of Zephaniah
by Sidney Zandstra
Published 1909