Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
suyuti:888a –

The Prophet ﷺ said, "Bury them (i.e. martyrs) with their blood." (that was) On the day of the Battle of Uhud. He did not get them washed. (Using translation from Bukhārī 1346)   

السيوطي:٨٨٨a –

"ادفنوهم في دمائِهم - يعنى يومَ أحد -".  

[خ] البخاري عن جابر

See similar narrations below:

Collected by Bukhārī
bukhari:1346 – Abū al-Walīd > Layth > Ibn Shihāb > ʿAbd al-Raḥman b. Kaʿb > Jābir

The Prophet ﷺ said, "Bury them (i.e. martyrs) with their blood." (that was) On the day of the Battle of Uhud. He did not get them washed.  

البخاري:١٣٤٦ – حَدَّثَنَا أَبُو الْوَلِيدِ حَدَّثَنَا لَيْثٌ عَنِ ابْنِ شِهَابٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ كَعْبٍ عَنْ جَابِرٍ قَالَ

قَالَ النَّبِيُّ ﷺ ادْفِنُوهُمْ فِي دِمَائِهِمْ يَعْنِي يَوْمَ أُحُدٍ وَلَمْ يُغَسِّلْهُمْ