E: United States history (Library of Congress)

This dataset includes PNG, PSD, and SVG image files for a symbol designed and used to represent the class for E (History of the Americas - United States) within the Library of Congress classification system. The symbol can be used, with or without the class letter E, on library signage or for other projects.

本数据集收录了为美国国会图书馆分类法（Library of Congress classification system）中E类（美洲历史——美国）设计并用于标识该类别的符号的PNG、PSD及SVG格式图像文件。该符号可在图书馆标识标牌或其他项目中使用，使用时可附带或省略类别字母E。