Collection of letters and telegrams centered around the remodeling of a house called "Dunlora" aka Merry Hill, located at 8605 Park Heights Avenue in Pikesville Maryland. The house was built for Robert Brent Keyser in 1899 by the firm Hoppin and Koen of New York. The remodeling was done by American architect Grosvenor Atterbury. The vast majority of the letters are between Atterbury (and his firm) and Robert Brent Keyser. They describe various plans and issues surrounding the remodeling of the house. A few letters discuss construction at the Homewood campus of Johns Hopkins University. Some of the other names mentioned in the letters are J.L. Marshall & Son (the builders), Mr. Sperry, Judge Harlan, Morgan-Harjes, Mr. Manly, and Charles E. Reeder.