- lettered-words
- letter for the publication of a book with a writer
- Letter from Jiang Zhuyun to Tan Zhu'an
- letter from King George Ⅲ of England to Emperor Qianlong
- Letter from Marx to Editor of the Otecestvenniye Zapisky
- lettering of chart
- Letter of Attorney of the League of Nations Entrusting France to Rule Togo
- letter of credence
- Letter on the Blind for the Use of Those Who Can See
- letterpress
- letterpress printing
- letter quality
- letters express item
- letters of Junius
- Letters of the Central Plains
- Letters on New Literature
- letter sorting machine
- Letters Sent to Paradise
- letter string
- Letter to Boyuan by Wang Xun
- Letter to Boyuan in Running Script
- Letter to Vera Zasulich
- Letter to Yue Shiliang
- letter-value display
- Let the Bullets Fly