Tawaf round the Ka'ba

Bukhari :: Book 2 :: Volume 26 :: Hadith 787
Narrated 'Abdullah:
The Prophet and some of his companions got their heads shaved and some others got their hair cut short. Narrated Muawiya: I cut short the hair of Allah's Apostle with a long blade.

Bukhari :: Book 2 :: Volume 26 :: Hadith 788
Narrated Ibn Abbas:
When the Prophet came to Mecca, he ordered his Companions to perform Tawaf round the Ka'ba and between Safa and Marwa, to finish their Ihram and get their hair shaved off or cut short.

Bukhari :: Book 2 :: Volume 26 :: Hadith 789
Narrated 'Aisha:
We performed Hajj with the Prophet and performed Tawaf-al-ifada on the Day of Nahr (slaughtering). Safiya got her menses and the Prophets desired from her what a husband desires from his wife. I said to him, "O Allah's Apostle! She is having her menses." He said, "Is she going to detain us?" We informed him that she had performed Tawaf-al-Ifada on the Day of Nahr. He said, "(Then you can) depart."

Bukhari :: Book 2 :: Volume 26 :: Hadith 790
Narrated Ibn Abbas:
The Prophet was asked about the slaughtering, shaving (of the head), and the doing of Rami before or after the due times. He said, "There is no harm in that."

Bukhari :: Book 2 :: Volume 26 :: Hadith 791
Narrated Ibn Abbas:
The Prophet was asked (as regards the ceremonies of Hajj) at Mina on the Day of Nahr and he replied that there was no harm. Then a man said to him, "I got my head shaved before slaughtering." He replied, "Slaughter (now) and there is no harm in it." (Another) man said, "I did the Rami (of the Jimar) after midday." The Prophet replied, "There was no harm in it."