The History of Hendricks County (Chicago: Interstate Publishing, 1885)--Center Township, pages 521-522
Joshua B. Harlan, youngest son of Aaron and Elizabeth (Gregg) Harlan, was born in Warren County, Ohio, Dec. 30, 1815. He left Warren County May 12, 1838, and studied medicine eighteen months with Dr. Wilkinson, of Upshur, Ohio, at which place he engaged in the practice of dentistry. Nov. 17, 1839, he was married to Lucinda, daughter of Conrad and Lydia Bonebrake, and to this union were born five children--Theophilus L., born Sept. 10, 1840, and died March 24, 1859; Conrad E., born Aug. 19, 1842; Lydia D., born Jan. 16, 1844, died Feb. 12, 1866; D. Emma, born Aug. 19, 1847, died July 23, 1849, and Aaron, born May 8, 1849, and died July 27, 1849. His wife died July 23, 1849, and Oct. 22, 1855, he was again married to Mary J., daughter of Thomas and Catharine Bedford, of Centerville, and to them have been born three children--Charles N., born Nov. 22, 1856; George B., born May 4, 1861, and Helen E., born Jan. 5, 1866. Aug. 12, 1851, Dr. J.B. Harlan and Dr. O.H. Kendrick opened a dental office in Centerville, Ind., and Dec. 12, 1855, he formed a partnership with Dr. J.F. Wilson, in Greencastle, Ind. March 22, 1857, he removed to Danville and opened a dental office which is now carried on under the firm name of J.B. Harlan & Son. He has belonged to the Presbyterian Church twenty-six years. He has been a member of the I.O.O.F. fraternity for thirty-six years, having passed all the chairs. Politically he is a Republican but was formerly a Whig.