Box#/File # Title of file Box 175 / File 1 Slick Airways - 1946. Box 175 / File 2 Slick Airways - 1946. Box 175 / File 3 Slick Airways - 1946. Box 175 / File 4 Slick Airways - 1946 Box 175 / File 5 Slick Airways - 1946. Box 175 / File 6 Slick Airways - 1946. Box 175 / File 7 Slick Airways - 1946.