Mari Sandoz
Old jules country : a selection from Old Jules and thirty years of writing since the book was published / by Mari Sandoz
Hastings House, 1965
 Buku Teks
Kim, Jae-yop
100-yon chon Hangukksa : kaehang eso Han-il happang kkji = (100 years ago) Korean History: On opening up the Japanese annexation of Korea
Sallim, 2006
 Buku Teks
Landmark
Hungarian writerss on thirty years of history
[T.t.] Corvina Press [t.th.]
 Buku Teks
Cambridge, Ada. 1844-1926
Thirty years in Australia / Ada Cambridge
New South Wales University Press, 1989
 Buku Teks
Hu, Chiao-Mu
Thirty years of the communist party of China
Foreign Languages Press, 1952
 Buku Teks