From 1904 to 1917, Percival published a monthly magazine, The Word, which was dedicated to the brotherhood of humanity and had a worldwide circulation.
ຈາກ 1904 ຫາ 1917, Percival ຈັດພີມມາວາລະສານປະຈໍາເດືອນ, ພຣະຄໍາ, ເຊິ່ງໄດ້ອຸທິດຕົນເພື່ອຄວາມເປັນອ້າຍນ້ອງຂອງມະນຸດແລະມີການໄຫຼວຽນທົ່ວໂລກ.