1970's Crosword

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Across
  1. 3. Music group from Sweden
  2. 4. Privete investigator
  3. 5. Wrote American Pie
  4. 8. New way of sleep
  5. 11. First Video Game
  6. 12. Sang about reptial rock
  7. 15. Sang American Woman
  8. 21. Movie about a artifacter/History teacher
  9. 22. once was All in the Family
  10. 24. Pet wanted by millions
  11. 25. Song by John Denver
  12. 26. Popular Movie that had was a man in the jungle
  13. 29. song by Diana Ross
  14. 31. Sang about Yellow subs
  15. 33. Played by Redd Foxx
  16. 35. Highest grosing movie in the 70's
  17. 36. Spinoff of Lavrne&Shirley
  18. 37. Where stocks were traded
  19. 38. Played scruffy looking Lt. Columbo
  20. 39. President after the Iran situation
  21. 40. starred Howard Hesseman
Down
  1. 1. Still went on between the USA and Russia
  2. 2. Make you taller
  3. 6. Were on top of the world
  4. 7. Sang Stayin' Alive
  5. 9. spinoff of Maude
  6. 10. Rowan and Martins show
  7. 13. sang "If you leave me now"
  8. 14. Shark movie
  9. 16. Worked as a Psychologist
  10. 17. Army Hosptle Show
  11. 18. New type of music
  12. 19. Late night show
  13. 20. Popular fabric
  14. 23. Country that America had issues with
  15. 26. Song by Peaches and Herb
  16. 27. Marvel movie about a green creature
  17. 28. #1 by the Rolling Stones for 6 weeks
  18. 30. Shirley Jones played the mother in this family
  19. 32. War going on
  20. 34. Spacecraft that exploded