External links Walter L. Pforzheimer Collection of Frank Richard Stockton. Yale Collection of American Literature, Beinecke Rare Book and Manuscript Library.
external liNks WaltEr l. pforzheiMer colleCtiOn Of frAnk richaRD stoCkton. yALe collection Of amERicaN literature, beInecKE raRe boOK aND Manuscript lIbraRY.