The Demonstration of the Apostolic Preaching
St. Irenaeus & Wyatt North
The SysAdmin Handbook
Various
Demystifying Internet of Things Security
Sunil Cheruvu & Anil Kumar & Ned Smith & David M. Wheeler
Programming for Computations - Python
Svein Linge & Hans Petter Langtangen
Proslogium; Monologium; An Appendix in Behalf of the Fool by ...
St. Anselm
On the Incarnation of the Word
St. Athanasius
The Pilgrim's Progress
John Bunyan
NPNF2-07. Cyril of Jerusalem, Gregory Nazianzen
Philip Schaff
NPNF1-03. On the Holy Trinity; Doctrinal Treatises; Moral Treatises