The New York Times (New York, New York) 31 March 1910 Page 16
Another Co-operative Co-operative Co-operative Apartsaeat. . . Clifton Q. Marshall has resold the three . four-story four-story four-story dwellings, on plot 100.5 by 60, at tli.aoutheast corner of Park "Avenue and Sixtieth Street. The aeirrhaeer Is a company In which 'Walter Russell, the artist Is aald to be Interested. A co-operative co-operative co-operative . apartment house will ha erected on the 'site.