Analytic geometry / [by] Ross R. Middlemiss, John L. Marks [and] James R. Smart. Middlemiss, Ross R. (Ross Raymond) Marks, John L., joint author. Smart, James R., joint author. International Correspondence Schools. Geometry, Analytic. QA551 .M5 1968 516 MIA At head of title: International Correspondence Schools. "2399X and A-G." Accompanied by : Assignments and examination questions, with supplementary instruction, prepared especially for home study (39 p. ; 28 cm.) Ed. 3. [Scranton] : International Correspondence Schools, 1969. Call number: QA551.M5 1968 Exer. Includes index. New York : McGraw-Hill, 1955. 1955. 1968 Text vii, 310 p. : eng