Melville Dewey https://elementary.oslis.org/learn-to-research/find/choose-my-sources/images-for-choose-my-sources-1/dewey/view https://elementary.oslis.org/learn-to-research/find/choose-my-sources/images-for-choose-my-sources-1/dewey Melville Dewey Click to view full-size image… Size: 6.7 KB