OPD chemical buyers directory.
New York, N.Y. Schnell Pub. Co.
[1968-
Vols. for  issued by Chemical Marketing Reporter.
Supplement to: Oil, paint, and drug reporter, 1968/69-1971; Chemical marketing reporter, 1972/73-1986.
Issues for 1994-   have companion publication: Schnell red book of chemical services.
Chemical industry
Paint industry and trade
Pharmaceutical industry
Oil, paint, and drug reporter
Chemical marketing reporter
Chemical buyers directory
Schnell red book of chemical services