It is confirmed that Genpo translated 99 titles (nearly 160 volumes in total) including "Taisei Meii Iko" (literary, Western medicine), the first medical journal in Japan, "Geka Hitsudoku" (literary, essentials for surgery), "Sanka Kanmei" (literary, a brief explanation about obstetrics), "Oranda Bunten" (literary, grammar of Dutch language), "Hakko Tsushi" (literary, the overview of world history), "Suijosen Setsuryaku" (literary, a brief explanation about steamboat), "Seisei Kiko" (literary, records on the Western world) and his specialty ranged from medical science, language, history of the Western world, to military science and philosophy of religion.
日本最初の医学雑誌『泰西名医彙講』をはじめ、『外科必読』・『産科簡明』・『和蘭文典』・『八紘通誌』・『水蒸船説略』・『西征紀行』など阮甫の訳述書は99部160冊余りが確認されており、その分野は医学・語学・西洋史・兵学・宗教学と広範囲にわたる。