. . "Physique." . . "Électrons." . . "chemistry." . . . "The electron in chemistry : being five lectures delivered at the Franklin Institute"@en . . "The electron in chemistry. Being 5 lectures delivered at the Franklin Institute, Philadelphia" . . . . "The electron in chemistry : being five lectures delivered at the Franklin Institute, Philadelphia" . "The electron in chemistry : being five lectures delivered at the Franklin Institute, Philadelphia"@en . . . . . . . . . "The electron in chemistry being five lectures delivered at the Franklin Institute, Philadelphia"@en . . "The electron in chemistry : 5 lectures delivered at the Franklin Institute, Philadelphia" . "The electron in chemistry : being 5 lectures delivered at the Franklin Institute, Philadelphia" . . . . . "The electron in chemistry, being five lectures delivered at the Franklin Institute, Philadelphia" . . . "The electron in chemistry; being five lectures delivered at the Franklin Institute, Philadelphia" . . . . "The electron in chemistry : being five lectures delivered at the Franklin institute, Philadelphia" .