Item 91394 - Helen E. Perry Estate property, N. Side Island Avenue, Long Island, Portland, 1924 Item 91394 - Helen E. Perry Estate property, N. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 91394 Zoom 4848px x 3662px - 16.2"w x 12.2"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Annex at N. Side Island Avenue in Long Island, Portland, was owned by Helen E. Perry Estate in 1924. Also known as "Dirigo Cottage". Show Details