hiː wʌz ˈɔːlsoʊ ɪnvˈɑːlvd ɪnðə fˈɪləmˌæθiən səsˈaɪəɾi ʌv fɪlɐdˈɛlfiə, ɐ lˈɪɾɚɹˌɛɹi ˌɔːɹɡɐnᵻzˈeɪʃən wˌɪtʃ ɪŋklˈuːdᵻd dˈʌɡləs, tʃˈɑːɹlz bˈɜːliː pˈɜːvɪs, wˈɪljəm wˈɪpɚ, ænd ɪzˈaɪə wˈɪɹ.
He was also involved in the Philomathean Society of Philadelphia, a literary organization which included Douglass, Charles Burleigh Purvis, William Whipper, and Izaiah Weir.