Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 38 , 1147221014, 9781147221015 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 38... by American Philosophical Society, 1274698960, 9781274698964 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 39 , 1143615174, 9781143615177 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 39 , 1143364872, 9781143364877 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 39 , 114889764X, 9781148897646 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 39... by American Philosophical Society, 1274877830, 9781274877833 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 4 , 1148470832, 9781148470832 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 4 , 1142282031, 9781142282035 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 40 , 1147409854, 9781147409857 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 41 , 1146103239, 9781146103237 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 41... by American Philosophical Society, 1275227554, 9781275227552 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 42 , 1147449554, 9781147449556 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 42 , 1146103859, 9781146103855 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 43 , 1144076404, 9781144076403 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 44 , 1147149372, 9781147149371 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 44... by American Philosophical Society, 1274651530, 9781274651532 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 44... by American Philosophical Society, 1274273986, 9781274273987 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 44... by American Philosophical Society, 1275909779, 9781275909779 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 45 , 1144078105, 9781144078100 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 46 , 1142108899, 9781142108892 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 46 , 1145570666, 9781145570665 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 46... by American Philosophical Society, 1274344190, 9781274344199 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 47 , 1146092083, 9781146092081 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 47 , 1146813139, 9781146813136 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 47 by American Philosophical Society, 1175883697, 9781175883698 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 48 , 1148289860, 9781148289861 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 48 , 1144844576, 9781144844576 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 49 by American Philosophical Society, 1175881554, 9781175881557 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 5 , 1143488504, 9781143488504 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 51 , 1145373518, 9781145373518 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 51... by American Philosophical Society, 1274315166, 9781274315168 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 52 , 1148250700, 9781148250700 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 52... by American Philosophical Society, 127422361X, 9781274223616 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 53 , 1147449546, 9781147449549 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 54 , 1147229856, 9781147229851 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 54... by American Philosophical Society, 1274297893, 9781274297891 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 55 , 1144807824, 9781144807823 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 55 , 1148185720, 9781148185729 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 56 , 114639585X, 9781146395854 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 56... by American Philosophical Society, 1275239668, 9781275239661 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 57 , 1148846417, 9781148846415 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 58 , 1148857478, 9781148857473 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 59 , 1143723813, 9781143723810 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 6 , 1149121386, 9781149121382 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 60 , 1144048834, 9781144048837 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 60... by American Philosophical Society, 1274386799, 9781274386793 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 61 , 1146787464, 9781146787468 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 61... by American Philosophical Society, 1274934737, 9781274934734 Details

Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 7 , 1147457042, 9781147457049 Details

Proceedings Of The American Philosophical Society Held At Philadelphia For Promoting Useful Knowledge, Volume 7... by American Philosophical Society, 1275898017, 9781275898011 Details