الكافي- ط الاسلامية, volume 3, page 303

4. Ahmad ibn Idris has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from ibn abu Najran from Safwan al-Jammal who has said the following: “I once heard abu ‘Abd Allah (a.s.), say, ‘Adhan is twice and twice and ‘Iqamah is twice and twice.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

5. Muhammad ibn ’Isma‘il has narrated from al-Fadl ibn Shadhan from Flammad ibn ‘Isa from Hariz from Zurarah who has said the following: “Abu Ja‘far (a.s.), once said, ‘O Zurarah, begin Adhan with four Takbir (Allah is great beyond description) and end it with two Takbir (Allah is great beyond description) and two Tahlil, (no one deserves worship except Allah).”’

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

6. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa from Yunus from Mu‘awiyah ibn Wahab who said: “I once asked abu ‘Abdillah (a.s.) about tathweeb in the Adhan and ‘Iqamah. He (the Imam) replied, ‘It is unknown to us.”’

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

7. Ali ibn Ibrahim has narrated from his father from Hammad ibn ‘Isa from Hariz from Zurarah who has said the following: “Abu Ja‘far (a.s.), has said, ‘When you say Adhan say Alif and al-Ha’ (two letters of Arabic alphabet) clearly and say O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause whenever you mention his name or someone else mentions his name in Adhan or in other expressions.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

8. Ali ibn Ibrahim has narrated from his father from ibn abu ‘ Umayr from Hammad from al-Halabiy who has said the following: “Abu ’Abd Allah (a.s.), has said that if you recite both Adhan and Iqamah, two rows of angels perform Salah (prayer) behind you. If you recite just Iqamah, only one row of angels performs Salah (prayer) behind you.” (Ahadith 3- 8 are best express in the form of fatwa.)

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

9. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from al-Qasim ibn Muhammad from Ali ibn abu Hamzah from abu Basir from who has said the following: “I once asked one of the two Imam (a.s.), ‘Is one Adhan sufficient? He (the Imam) said, ‘If you perform Salah (prayer) in congregation, there is one Adhan and one ‘Iqamah. If you are alone and you are in a hurry so you do not lose something, then one ‘Iqamah is sufficient, except the morning Salah (prayer) and al-Maghrib in which case, it is proper to say Adhan for them as well as ‘Iqamah; they are not shortened as other Salah (prayers) are done.’”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.