"Shareholder news briefs."; "Pittsburgh Plate Glass Company."; "Pittsburgh Plate Glass Company--Periodicals."; "Chemical industry--United States--Periodicals.", "Paint industry and trade--United States--Periodicals.", "Glass trade--United States--Periodicals.", "Glass manufacture--United States--Periodicals.", "Plate glass--Periodicals."; "Pittsburgh Plate Glass Company."; "1956-1962"; "Serial. Printed Ephemera Collection has: v.4:no.2 (1956:July 31, v.5:no.1 (1957:May 31)-v.10:no.3 (1962:Nov.12).
"; ""; "P4393"; "pec"; "Glass trade--United States--Periodicals.", "Chemical industry--United States--Periodicals.", "Plate glass--Periodicals.", "Glass manufacture--United States--Periodicals.", "Paint industry and trade--United States--Periodicals.", "Pittsburgh Plate Glass Company--Periodicals."; "14256"; .