bold = Main text
   Book,  Verse      grey = Comment text

 1      I,   493    |          Who dwell about its source. Thou, too, oh Treves,~ ~
 2     II,   475    |     right hand Tiber has his source,~ ~
 3     II,   542    |     river, from thy mountain source~ ~
 4    III,   242    |   Pactolus leaves his golden source and leaps~ ~
 5    III,   396    |  what thou wilt: cut off the source that fills~ ~
 6     IV,   338    |    whispered from its hidden source;~ ~
 7     VI,   437(23)|   mindful of this mysterious source, he refuses to mingle his
 8     VI,   446    |    to mingle, mindful of his source,~ ~
 9     VI,   511    |   the fates to come; nor any source~ ~
10   VIII,   970    |   Turn back his water to his source, thy fields~ ~
11     IX,   416    | silent near, in fable from a source~ ~
12      X,   227    |                 To learn the source of your mysterious flood~ ~
13      X,   322    |   thirsting thus to know the source of Nile~ ~
14      X,   339    |   lying rumour of thy hidden source~ ~
15      X,   387    |                Free from its source? For whirled on high the