McNeill, William H.
Past and future
Unoiversity Of Chicago, 1954
 Buku Teks SO
Building on wisdom from the past, advancing into the future : swadharma bhakti nagara
Bank Negara Indonesia, 1996
 Buku Referensi
Building on wisdom from the past advancing into the future: swadharma bhakti nagara
Bank Negara Indonesia, 1996
 Buku Teks
Augustynek, Zdzislaw
Time: past, present, future
Kluwer Academic, 1989
 Buku Teks SO
The past and future of presidential debates
edited by Austin Ranney
American Enterprise Institute for Public Policy Research, 1979
 Buku Teks SO