Here's a look back (and forward) at the League of Extraordinary HitRECordians...

Public Domain stuff:
http://www.archive.org/details/superman_the_mechanical_monsters
http://www.archive.org/details/superman_the_mad_scientist
http://www.archive.org/details/ManandHi1954
http://www.archive.org/details/Sciencei1956_6
http://www.archive.org/details/bacteria_friend_and_foe
http://www.archive.org/details/LeaveItt1940
http://www.archive.org/details/Designfo1956
http://www.archive.org/details/American1958
http://www.archive.org/details/Century21964
http://www.archive.org/details/CarsOfTheFuture1948
http://www.archive.org/details/Dividean1943
http://www.archive.org/details/Safeguar1941
http://www.archive.org/details/tmp_05001
http://www.archive.org/details/DDayMinu1945
http://www.archive.org/details/atom_and_biological_science
http://www.archive.org/details/OnGuard1956
http://www.archive.org/details/NewsMaga1950_2
http://www.archive.org/details/DuckandC1951
http://www.archive.org/details/AtomicAl1951
http://www.archive.org/details/Circa1951WheatiesCommercialyesWithAbaseballTheme