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The Frog Pond Boston Common Mass NYPL bGF ZF. en The Frog Pond Boston Common Mass nypl org Scan by NYPL The Frog Pond Boston Common Mass Parks The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection dafcfdbbadabc GFZF Robert Dennis collection of stereoscopic views deeadeeaa NYPGF repo nypl org