(alfredbertram) 1901- 1901-1991 american americanliterature bio-bibliography climaticchangesinliterature criticismandinterpretationguthrie descriptionandtravel ecocriticism ecologyinliterature encyclopedias english englishliterature environmentalisminliterature environmentaljustice environmentalpolicy environmentalpolicyinliterature environmentalprotectioninliterature environmentaltoxicology etc frontierandpioneerlife frontierandpioneerlifeinliterature historiography history historyandcriticism homesandhauntsguthrie inliterature landscapesinliterature literarycollections literature literatureandscience nature natureinliterature pastoralliterature postcolonialisminliterature romanticism theory travelers'writings unitedstates wildernessareasinliterature