Workers at Tower Publishing Company (Fred L. Tower Companies), 795 Forest Avenue, preparing the 1947 Portland City Directory. Left Image: Mrs. Ella R. Haskell; Miss Seba A. Orff; Miss Mary A. Ricchio, left to right, sorting 250,000 listing cards which will later undergo 12 sorting procedures.Right Image: Arthur T. Spring, president of Tower Publishing, holding an Portland\u27s first directory (1823). Photos published in the Evening Express, on 18 February 1947 Additional photo (link below) shows the 1947 Portland City Directory, at Portland Public Libraryhttps://digitalcommons.portlandlibrary.com/pphnegs_images_business/1340/thumbnail.jp