Carl Sagan Visits Thinkers Lodge for Total Eclipse of the Sun, 1972
| eclipse_darkens_strip_of_hemisphere_by_stewart_auerback_and_tom_otoole_washington_post_july_11_1972.pdf |
| carl_sagan_writes_cyrus_eaton_thanking_him_for_hospitality_in_pugwash_during_eclipse_july_20_1972.pdf |
| meeting_great_minds_at_canadas_place_in_the_sun__with_carl_sagan_and_eclipse__by_bruce_west_the_globe_and_main_july_13_1972.pdf |
| distinguished_astronomers_from_us_guests_of_cyrus_eaton_at_pugwash.pdf |