من لا يحضره الفقيه, volume 3, page 295

Hadith.4056 - Imam (as) said: "There is no harm in picking up lost items such as a staff, a strap, a peg, a rope, a hobble, and similar things."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.

Hadith.4057 - Imam (as) was asked about a lost sheep in the wilderness. Imam (as) said to the questioner: "It is either yours, your brother's, or the wolf's." Then Imam (as) said: "I do not like to touch it." And when asked about a lost camel, Imam (as) said: "What do you have to do with it? Its belly is its container, its hooves are its shoes, and its stomach is its water carrier. Leave it alone."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.

Hadith.4058 - It is narrated from Hanan ibn Sadir, who said: A man asked Abu Abdullah (as) about lost property while I was listening. Imam (as) said: "Announce it for one year. If you find its owner, return it to him; otherwise, you are more entitled to keep it."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.