Hadith #2455 (Sunan Abi Dawud)
Book: Fasting (Kitab Al-Siyam)
Narrator(s): Abdullah ibn al-Harith ibn Nawfal, Jarir bin 'Abdul Hameed al-Razi جرير بن عبد الحميد أبو عبد الله الضبي, Umm Hani bint Abi Talib, Uthman bin Muhammad, Yazid bin Abi Ziyad يزيد بن أبي زياد
Grade: Sahih

When the Prophet (ﷺ) entered upon me, he would ask: Do you have food ? When we said: No, he would say: I am fasting. Waki’ added in his version: Another day when he entered upon us, we said: Messenger of Allah, some pudding (hair) has been presented to us and we have retained it for you. He said: Bring it to me. Talhah said: He fasted in the morning, but broke his fast (that day).

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2455/

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Hadith #3458 (Sunan Abi Dawud)
Book: Wages (Kitab Al-Ijarah)
Narrator(s): Abdullah ibn al-Harith ibn Nawfal, Hakim ibn Hizam, Hisham bin 'Abdul Malik al-Tayalasi هشام بن عبد الملك أبو الوليد الطيالسي, Qatada قتادة, Salah bin Abi Maryam صالح بن أبي مريم الضبعي - أبو الخليل, Shu'bah bin al-Hajjaj شعبة بن الحجاج
Grade: Hasan Sahih

When Abu Zur’ah made a business transaction with a man, he gave him the right of option. He then would tell him: Give me the right of option (to annul the bargain). He said: I heard AbuHurayrah say: The Messenger of Allah (ﷺ) said: Two people must separate only by mutual consent.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3458/

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Hadith #4287 (Sunan Abi Dawud)
Book: The Promised Deliverer (Kitab Al-Mahdi)
Narrator(s): Abdullah ibn al-Harith ibn Nawfal, Amr bin 'Asim al-Kalabi عمرو بن عاصم الكلابي, Muhammad bin al-Muthna - al-Zaman محمد بن المثنى أبو موسى - الزمن, Qatada قتادة, Salah bin Abi Maryam صالح بن أبي مريم الضبعي - أبو الخليل, Umm Salamah
Grade: Da'if

The other narrators mentioned “nine years” from Hisham except Mu’adh.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4287/