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- archive.org Texts
- emerson.com en-us
- findagrave.com memorial/320/ralph_waldo-emerson
- greelane.com uk/гуманітарні-науки/література/…
- bostonglobe.com magazine/2016/05/20/ralph-waldo-…
- quod.lib.umich.edu e/emerson/
- iranicaonline.org articles/emerson