slide 158 & L-79 - stamped date MAR70F1 duplicate slide 158 & 53-5 & 1117 - stamped dateJUN69F10
slide 32 - stamped date FEB78N13 slide 18 - stamped date FEB78N13
slide 616 slide number torn away slide 90 & L45 duplicate
no slide number slide 821 no slide number - stamped date SEP71F11 duplicate
slide 122 & 101/62 slide 164 no slide number (box ABS-007)
slide 124 & L62 - stamped date MAR70F1 - duplicate slide 319 slide 311 slide 314