- Services Programs - Library of Congress
Learn how the Library of Congress collects, preserves provides access to its universal collections Get the free tools and standards used by libraries, archives, and publishers
- United States | History, Map, Flag, Population | Britannica
The United States is a country in North America that is a federal republic of 50 states Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and the island state of Hawaii, in the mid-Pacific Ocean
- 美国 - 维基百科，自由的百科全书
“ The United States ”是对美国最傳統最正式的称呼，它最早出現在 獨立宣言 與 美國憲法 中。在官方場合說到美國時，一般必須使用此通稱。 [50][51] 簡稱“ the U S ”，“ the US ”或者“ the States ”。 “ United States of America ”，由 約翰·迪金森 編寫于1776年6月17日的聯邦條款第二草稿出現 [52]，縮寫是U
- Census Geocoder
Welcome to the Geocoder! The Census Geocoder provides interactive programmatic (REST) access to users interested in matching addresses to geographic locations and entities containing those addresses The Census Geocoder only geocodes addresses that are within the United States, Puerto Rico, and the U S Island Areas If you have any questions or would like to discuss your results, please
- Home - LC Linked Data Service: Authorities and Vocabularies | Library . . .
The Linked Data Service provides access to commonly found standards and vocabularies promulgated by the Library of Congress This includes data values and the controlled vocabularies that house them Datasets available include LCSH, BIBFRAME, LC Name Authorities, LC Classification, MARC codes, PREMIS vocabularies, ISO language codes, and more
- Current Local Time in Los Angeles, California, USA
Current local time in USA – California – Los Angeles Get Los Angeles's weather and area codes, time zone and DST Explore Los Angeles's sunrise and sunset, moonrise and moonset
- Official Trusted Traveler Program Website | Department of Homeland Security
This is the official U S Customs and Border Protection (CBP) website where international travelers can apply for Trusted Traveler Programs (TTP) to expedite admittance into the United States (for pre-approved, low-risk travelers)
- Chinese Journal of Electronics
VIEW MORE Current Issue A 1 5×10 9ION IOFF Ratio p-Channel InGaN MESFET with p-GaN InGaN AlN Composite-Channel and Tungsten Gate Su Huake, Zhang Tao, Xu Shengrui, Gao Yuan, Jia Jingyu, Huang Jun, Zhang Jincheng, Tao Hongchang, Hao Yue
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