Mark Twain wrote in his Autobiography of a letter from Laura, detailing her own crisis as she traveled upriver in May 1858.

马克吐温在《自传》中谈到一封劳拉的来信，信中详细叙述了她在1858年密西西比河上游旅行期间遭遇的危险。

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The change was announced in a peculiar way: in a letter from the SEC's acting chairman, Laura Unger, to Frank Wolf, who chairs the House subcommittee responsible for the SEC's annual funding.

CENTERFORSECURITYPOLICY: Center For Security Policy