books.google.com - Few cities can boast the rich history and diversity of gardens as the Nation's Capital. City of Gardens provides a guide to 30 public gardens in the Washington area - a look at the traditional and the contemporary; the manicured and the naturalized; the aesthetic and the practical; national treasures...https://books.google.com/books/about/A_City_of_Gardens.html?id=yv_zYwU86qQC&q=specimens&utm_source=gb-gplus-shareA City of Gardens
