3/24 館藏發展

館藏政策聲明

館藏政策聲明支配圖書館館藏發展及獲得。提供政策架構以支持圖書館服務美國整體國會、學術圈及一般人的責任。
作為館藏發展及維持原來館藏強度，共分六級。


美國國會圖書館館藏建構很廣，包含所有學科，除了農業技術及醫學醫療，因為有專門的國立農業圖書館及國立醫學圖書館。

三大基本原則:
1.
　　The Library should possess all books and other library materials necessary to the Congress and the various officers of the Federal Government to perform their duties
2.
　　The Library should possess all books and other materials (whether in original form or copy) which record the life and achievement of the American people; and
3.
　　The Library should possess in some useful form, the records of other societies, past and present, and should accumulate, in original or in copy, full and representative collections of the written records of those societies and peoples whose experience is of most immediate concern to the people of the United States.