Mackenzie, Marlin M. Beginning swimming [by] M. M. Mackenzie [and] Betty Spears - Rev. ed. - Belmont, Calif Wadsworth Pub. Co. [1974] - 78 p. illus 21 cm. - Wadsworth sports skills series . Subjects--Topical Terms: SwimmingSwimming Dewey Class. No.: 797.2 / 1