Karaites in Byzantium : the formative years, 970-1100 / by Zvi Ankori
 Buku Teks
Burns, Russell W.
Communications: an international history of the formative years
Institution of Engineering and Technology, 2004
 eBooks
Burns, Russell W.
The struggle for unity: colour television, the formative years
Institution of Engineering and Technology, 2008
 eBooks
Laue, Theodore H. Von
Leopold ranke : the formative years / Theodore H. von Laue
Princeton University Press, 1950
 Buku Teks
Hazard, John N.
Settling disputes in Soviet society : the formative years of legal institutions
Columbia University Press, 1960
 Buku Teks