Part,  -

 1   1 1 |   71.7 R I.227 - 230 {4/32} pra idam brahma , pra idam kṣatram .~(
 2   1 1 |     4/32} pra idam brahma , pra idam kṣatram .~(1.1.14)
 3   1 1 |     iha kasmāt na bhavati : pra idam brahma , pra idam kṣatram .~(
 4   1 1 | bhavati : pra idam brahma , pra idam kṣatram .~(1.1.14)
 5   1 3 |    abhiḥ ābhimukhye vartate pra ādikarmaṇi .~(1.3.72). P
 6   1 4 |    8 R II.446 - 448 {31/55} pra ṇaḥ śūdraḥ pra ṇaḥ ācāryaḥ
 7   1 4 |  448 {31/55} pra ṇaḥ śūdraḥ pra ṇaḥ ācāryaḥ pra ṇaḥ rājā
 8   1 4 |  ṇaḥ śūdraḥ pra ṇaḥ ācāryaḥ pra ṇaḥ rājā pra ṇaḥ vṛtrahā .~(
 9   1 4 |    ṇaḥ ācāryaḥ pra ṇaḥ rājā pra ṇaḥ vṛtrahā .~(1.4.60.2)
10   3 1 |     R III.112 - 114 {29/29} pra ṇaḥ āyūṃṣi tāriṣat .~(3.
11   5 4 |    3 R IV.257 - 259 {45/88} pra naḥ navyebhiḥ .~(5.4.30)
12   5 4 |    IV.257 - 259 {57/88} saḥ pra pūrvyaḥ .~(5.4.30) P II.
13   5 4 |    IV.257 - 259 {58/88} saḥ pra pūrvaḥ .~(5.4.30) P II.433.
14   7 1 |    R V.47 - 49 {31/36} āṅ , pra bāhavā .~(7.1.39) P III.
15   8 4 |    na otparaḥ anotparaḥ iti pra naḥ muñcatam atra api prāpnoti .~(
16   8 4 |    na otparaḥ anotparaḥ iti pra ṇaḥ vaniḥ devakṛtā atra
17   8 4 |   460.8 - 16 R V.502 {8/12} pra naḥ* muñcatam , pra naḥ
18   8 4 |     12} pra naḥ* muñcatam , pra naḥ muñcatam .~(8.4.28)
19   8 4 |   460.8 - 16 R V.502 {9/12} pra* u naḥ , pra u naḥ .~(8.
20   8 4 |     502 {9/12} pra* u naḥ , pra u naḥ .~(8.4.28) P III.460.