الكافي- ط الاسلامية, volume 5, page 191

3. Muhammad ibn Yahya has narrated from ‘Abd Allah ibn Muhammad from Ali ibn al-Hakam from Aban ibn ‘Abd al-Rahman ibn abu ‘Abd Allah who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about exchanging one slave for two slaves and a slave for a slave and some dirhams. He (the Imam) said, ‘It is not harmful in the case of all animals if it (the deal) is simultaneous.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

4. Abu Ali al-Ash’ariy has narrated from al-Hassan ibn Ali al-Kufiy from ‘Uthman ibn ‘Isa from Sa‘id ibn Yasar who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about exchanging one camel for two camels in a hand in hand transaction and on credit. He (the Imam) said, ‘Yes, it is permissible if you name it in terms of age, Jadh‘ayn or Thaniyayn (kinds of camels in terms of age). He (the Imam) then commanded me to strike out the word ‘al-Nisyah’ (on credit perhaps because of Taqiyyah).

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

5. Ali ibn Ibrahim has narrated from his father from ibn abu Najran from ‘Asim ibn Humayd from Muhammad ibn Qays who has said the following: “Abu Ja‘far (a.s.), has said, ‘The sale of one grown up camel in exchange for ten fetuses of camel to be born is not valid.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

6. Al-Husayn from Muhammad has narrated from Mu’alla’ ibn Muhammad from those whom he has mentioned from Aban from Muhammad who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘In the exchange of foodstuff of different kinds or other things with different quantities is not harmful in a hand in hand transaction but it is not valid on credit.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

7. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn Yahya from Ghiyath ibn Ibrahim who has said the following: “Abu ‘Abd Allah (a.s.), has said that ’Amir al-Mu’minin (a.s.), disliked exchange of meat for animals.”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

8. Muhammad ibn Yahya and others have narrated from Muhammad Ahmad from Ayyub ibn Nuh from al-‘ Abbas ibn ‘Amir from Dawud ibn al-Husayn from Mansur who has said the following: “I once asked him (the Imam) (a.s.), about exchange of one sheep for two sheep, one egg for two eggs. He (the Imam) said, ’It is not harmful as long as it is not in measures and weighing.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

9. Humayd ibn Ziyad has narrated from al-Hassan ibn Muhammad from Ja’far ibn Sama‘ah from Aban ibn ‘Uthman from ‘Isma’il ibn al-Fadl who has said the following: “This is concerning my question before abu ‘ Abd Allah (a.s.), about the case of a man who says to another man, ‘Send your sheep and camels to be kept and when they give birth, if you like, I will exchange their male with female or vice versa.’ He (the Imam) said, ‘It is a detestable act unless the exchange takes place after they give birth and he knows them, which is which.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.