The Value line investment survey.

v.18, pt. 1, no.31-38, 40-52; v.18, pt. 2, no.18-52; v.19, pt. 1, no.1-7, 9, 12, 27, 31-33, 35, 37-39, 46-52; v.19, pt. 2, no.1-8, 10, 11-13, 16-20, 22-52; v.20, pt. 1, no.7-10, 12-13, 15-52; v.20, pt. 2, no.1-52; v.21, pt. 1, no.1-52; v.21, pt. 2, no.1, 3-52; v.21, pt. 3, no.2-52; v.21, pt. 4, no.3, 5, 7, 14, 16, 18, 21, 25, 29, 31, 33, 38, 43-44, 46, 50; v.22, pt. 1, no.14-52; pt. 2, no.14-52; pt. 3, no.14-52; pt. 4, no.2, 5-6, 13, 16, 18, 20, 28, 31-32, 38, 43-45, 50; v.23, pt. 1, no.1-52; pt. 2, no.1-39, 41, 43-52; pt. 3, no.1-52; pt. 4, no.3, 5, 7, 12, 15, 18, 20, 25, 29, 31, 33, 38, 43-44, 48, 51; v.24, pt. 1, no.1-10, 12-51; pt. 2, no.1-4, 7-52; pt. 3, no.1-52; pt. 4, no.2, 6, 10, 13, 16, 19, 21, 24, 29, 32, 35, 37, 43, 45, 47, 51; v.25, pt. 1, no.1-52; pt. 2, no.1-52; pt. 3, no.1-52; pt. 4, no.4, 6, 9, 12, 17, 19, 22, 27, 31, 35, 37, 42, 46-47, 50; v.26, pt. 1, no.1-52; pt. 2, no.1-52; pt. 3, no.1-26, 28-52; pt. 4, no.2, 40; v.27, pt. 1, no.1-52; pt. 2, no.1-25, 27-52; pt. 3, no.1-52; pt. 4, no.1, 14, 18-19; v.28, pt. 1, no.1-30, 37-44, 46-52; pt. 2, no.1-44, 46-52; pt. 3, no.1-44, 46-52; pt. 4, no.25, 27, 40; v.29, pt. 1, no.1-6, 8-52; pt. 3, no.1-6, 8-50, 52; v.30, pt. 1-25, 30-52; pt. 2, no.1-3, 5-12, 14-15, 17-22, 24-25, 30, 32-52; pt. 3, no.1-25, 30-52; v.31, pt. 1, no.1-18, 20-30, 32-33, 35-36, 38-52; pt. 2, no.1-6, 8-14, 16-20, 22-30, 32-52; pt. 3, no.1-52; v.32, pt. 1, no.1-8, 10-12, 14-52; pt. 2, no.1-13; pt. 3, no.1-52; v.33, pt. 1, no.1-14, 16-38, 40-43, 45, 52; pt. 2, no.27-52; pt. 3, no.1-14, 16-52; v.34, pt. 1, no.1-52; pt. 2, no.1-52; pt. 3, no.1-52; holdings include pt. 2 only