SimilarityRank
a_short_history_of 0.786 91383
a_brief_overview_of 0.682 77096
an_overview_of 0.657 9949
the_history_of 0.650 1208
history_of 0.615 3088
the_early_history_of 0.604 57852
an_introduction_to 0.594 8851
a_brief_summary_of 0.591 95793
an_outline_of 0.588 48658
the_early_day_of 0.585 52657
its_history 0.582 13298
a_brief_description_of 0.571 62672
historical_background 0.570 60176
background_information_on 0.568 97665
an_explanation_of 0.566 39551
an_overview 0.556 45310
a_look_back_at 0.556 96185
some_background 0.554 49031
the_origin_of 0.549 6560
a_description_of 0.548 11352
overview_of 0.543 8968
an_introduction 0.543 31890
give_an_overview_of 0.539 27880
some_information_about 0.537 81247
an_account_of 0.532 29083