. . "Publicity methods for engineers the proceedings of the first National conference on public information held under the auspices of the American association of engineers. Edited and amended for more easy reading"@en . . . . . . "Publicity methods for engineers the proceedings of the first National Conference on Public Information held under the auspices of the American Association of Engineers"@en . "Publicity methods for engineers; the proceedings of the first National conference on public information held under the auspices of the American association of engineers. Edited and amended for more easy reading" . . . . . . . . "National Conference on Public Information (1st : 1921 : Chicago)" . . . "National Conference on Public Information (1st : 1921 : Chicago, Ill.)" . . . . .