| DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1774.11.14 | Boston | CITATION | Langdon, J, sells Gentlemen and Ladies Musical Companion [t] (Stickney) | 1774.11.21 | Boston | CITATION | Langdon, J, sells Gentlemen and Ladies Musical Companion [t] (Stickney) | 1774.12.05 | Boston | CITATION | Langdon, J, sells Gentlemen and Ladies Musical Companion [t] (Stickney) | 1774.12.12 | Boston | CITATION | Langdon, J, sells Gentlemen and Ladies Musical Companion [t] (Stickney) | 1774.12.19 | Boston | CITATION | Langdon, J, sells Gentlemen and Ladies Musical Companion [t] (Stickney) | 1770.12.10 | Boston | CITATION | Langdon, John, sells music books | 1771.06.10 | Boston | CITATION | Langdon, John, sells music books, plays, psalmody | 1771.06.17 | Boston | CITATION | Langdon, John, sells music books, plays, psalmody | 1771.11.14 | Boston | CITATION | Langdon, John, sells plays by Shakespeare | 1771.11.22 | Boston | CITATION | Langdon, John, sells plays by Shakespeare | 1771.11.28 | Boston | CITATION | Langdon, John, sells plays by Shakespeare | 1771.12.05 | Boston | CITATION | Langdon, John, sells plays by Shakespeare | 1771.12.12 | Boston | CITATION | Langdon, John, sells plays by Shakespeare | 1771.09.23 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, 9 vols | 1771.09.30 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, 9 vols | 1771.10.07 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, 9 vols | 1771.09.26 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, and West Indian [t], Padlock [t] | 1771.10.10 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, and West Indian [t], Padlock [t] | 1771.10.17 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, and West Indian [t], Padlock [t] | 1771.10.24 | Boston | CITATION | Langdon, John, sells plays by Shakespeare, and West Indian [t], Padlock [t] | 1772.10.19 | Boston | CITATION | Langdon, John sells psalm books, Watts's Hymns and Psalms | 1772.11.02 | Boston | CITATION | Langdon, John sells psalm books, Watts's Hymns and Psalms | 1772.11.09 | Boston | CITATION | Langdon, John sells psalm books, Watts's Hymns and Psalms | 1772.12.14 | Boston | CITATION | Langdon, John sells psalm books, Watts's Hymns and Psalms | 1772.04.13 | Boston | CITATION | Langdon, John, sells psalters, psalm books | 1772.04.20 | Boston | CITATION | Langdon, John, sells psalters, psalm books | 1772.04.27 | Boston | CITATION | Langdon, John, sells psalters, psalm books | 1772.04.09 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.04.30 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.05.21 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.05.28 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.06.04 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.06.18 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.06.25 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.07.02 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1772.07.09 | Boston | CITATION | Langdon, John, sells psalters, psalm books with and without tunes | 1771.05.20 | Boston | CITATION | Langdon, John, sells Tate and Brady's Psalms [t] | 1771.05.27 | Boston | CITATION | Langdon, John, sells Tate and Brady's Psalms [t] | 1771.09.23 | Boston | CITATION | Langdon, John, sells West Indian [t], Padlock [t] | 1771.09.30 | Boston | CITATION | Langdon, John, sells West Indian [t], Padlock [t] | 1771.10.14 | Boston | CITATION | Langdon, John, sells West Indian [t], Padlock [t] | 1771.11.04 | Boston | CITATION | Langdon, John, sells West Indian [t], Padlock [t] | 1771.11.18 | Boston | CITATION | Langdon, John, sells West Indian [t], Padlock [t] | 1779.05.18 | Portsmouth | CITATION | Langdon, Sam, owner of runaway Negro named Caeser, singer |