http://en.wikipedia.org/wiki/Third_Epistle_of_John

http://www.earlychristianwritings.com/3john.html
http://www.biblegateway.com/passage/?search=3john&version=NIV
http://www.earlychristianwritings.com/goodspeed/ch20.html
http://www.religion-online.org/showchapter.asp?title=531&C=566

http://www.bcbsr.com/books/3jn.html

http://www.ivpress.com/bible/3john/

http://www.soniclight.com/constable/notes/pdf/3john.pdf

http://bible.org/seriespage/3-john-introduction-argument-and-outline

Social Gospel Free books online

The Social Gospel by Shailer Mathews

Outlines of Systematic Theology (1908) vol.1
Author: Strong, Augustus Hopkins, 1836-1921
Publisher: Philadelphia, Griffith Press

Theological Propædeutic (1892)
: a general introduction to the study of theology exegetical, historical, systematic and practical, including encyclopædia, methodology, and bibliography; A manual for students
Author: Schaff, Philip, 1819-1893; Jackson, Samuel Macauley, 1851-1912
Publisher: New York : C. Scribner's Sons

Systematic Theology (1872) vol.1
Author: Hodge, Charles, 1797-1878
Publisher: New York : Charles Scribner

Systematic Theology (1907) vol.1
Author: Strong, Augustus Hopkins, 1836-1921
Publisher: Philadelphia, Amer. Baptist Pub. Soc.

Systematic and Polemic Theology (1878)
Syllabus and notes of the course of
Author: Dabney, Robert Lewis, 1820-1898
Publisher: St Louis : Presbyterian Publishing Company of St. Louis

Systematic Theology (1892) vol.1
Author: Miley, John, 1813-1895
Publisher: New York, Hunt & Eaton; Cincinnati, Cranston & Stowe

The Right of Systematic Theology (1897)
Author: Warfield, Benjamin Breckinridge, 1851-1921
Publisher: Edinburgh : T. & T. CLark

An Outline of Systematic Theology (1895)
Author: Johnson, E. H. (Elias Henry), 1841-1906; Weston, Henry G. (Henry Griggs), 1820-1909. Ecclesiology
Publisher: Philadelphia : American Baptist Publication Society