PL-1 and PL-2
From the original archive,
Newsletter No. 2, 02/1965
Newsletter No. 3, 11/1965
Newsletter No. 4, 03/1966
From August 1966 and afterward (“mutual aid newsletters”),
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1.pdf 2.pdf 3.pdf 4.pdf 5.pdf 6.pdf 7.pdf 8.pdf 9.pdf 10.pdf
11.pdf 12.pdf 13.pdf 15.pdf 16.pdf 17.pdf 18.pdf 19.pdf 20.pdf
21.pdf 22.pdf 23.pdf 24.pdf 25.pdf 26.pdf 27.pdf 28.pdf 29.pdf 30.pdf
31.pdf 32.pdf 33.pdf 34.pdf 35.pdf 36.pdf 37.pdf 38.pdf 39.pdf 40.pdf
41.pdf 42.pdf 43.pdf 44.pdf 45.pdf 46.pdf 47.pdf 48.pdf 49.pdf 50.pdf
51.pdf 52.pdf 53.pdf 54.pdf 55.pdf 57.pdf 58.pdf 59.pdf 60.pdf
61.pdf 62.pdf 63.pdf 64.pdf 65.pdf 66.pdf 67.pdf 68.pdf 69.pdf 70.pdf
71.pdf 72.pdf 73.pdf 74.pdf 75.pdf 76.pdf 77.pdf 78.pdf 79.pdf 80.pdf
81.pdf 82.pdf 83.pdf 84.pdf 85.pdf 86.pdf 87.pdf 88.pdf 89.pdf 90.pdf
91.pdf 92.pdf 93.pdf 94.pdf 95.pdf 96.pdf 97.pdf
PL-4
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Volume 1 — Issues 1 | 2 | 3 | 4 | 5 | 6
Volume 2 — Issues 1 | 3 | 4
Volume 3 — Issues 1 | 2 | 3
EAA articles on PL-4
PL-4 horizontal tail