There are many genres of postcard collecting, technically referred to as Deltiology. This site represents a collection of postcards that focuses on libraries in the United States and throughout the world. Reproductions of many of these vintage postcards are available for purchase.
[LIB6528] - This building was dedicated for the use of the Merrick Public Library, by public exercises in the Town Hall, on the evening of January 31st, 1884.
Still in use as a public library. [Visit the website of the library]