The history of Montgomery County, Maryland, from its earliest settlement in 1650 to 1879 : the early land grants, by whom patented, their order of settlement and present owners, local and general events, leading incidents, principal towns, villages, &c., its soil, products, and industries : also, sketches of the prominent men of the county : directory of post offices, merchants, manufacturers, professors, farmers, tobacco planters, mechanics, mills, colleges, schools, and churches : with an appendix containing a description of the prominent business houses of Washington and Georgetown : compiled and arranged from authentic sources