Reader's digest condensed books
The Reader's Digest Association, 1955
 Buku Teks
Reader's digest condensed books
The Reader's Digest Association, 1957
 Buku Teks
Reader's digest condensed books
The Readers Digest Association, 1957
 Buku Teks
Reader's digest condensed books
The Reader's Digest Associations, 1967
 Buku Teks
Reader's digest condensed books
The Reader’s Digest Association, 1958
 Buku Teks