Edel, May
The story of our ancestors
Little, Brown, 1955
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Kolevzon, Edward R.
Our world and its people
Allyn and Bacon, 1959
 Buku Teks SO
Our story: from hope to goals
Khaelany, editor
MPK Agama Islam, 2013
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Chishti, Amatullah Armstrong
The Water of Lfe : a Traditional Story for Our Time
Pakistan : Paramount Pulishing Enterprise, 1994
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Pelz, Ruth.
The Washington story : a history of our State /​ Ruth Pelz.
Murray Pub. Co, 1979
 Buku Teks SO