FFriends and NeighborsFriends and Neighborsde William S. Gray, May Hill ArbuthnotEdiciones (1)Friends and Neighbors (1941)Scott Foresman & CompanyMás obras de William S. GrayOOn their own in readingOn their own in readingWWhat makes a book readableWhat makes a book readableOOn their own in readingOn their own in reading
WWhat makes a book readable, with special reference to adultsWhat makes a book readable, with special reference to adults of limited reading ability1935