Found the following hamletworks.org entries referring to line 169

View Commentary Note for 101
101 Dar'd to the combat; in which our valiant Hamlet,1.1.84

View Commentary Note for 156
156 Mar. It faded on the crowing of the Cock.1.1.157

View Commentary Note for 169
169 Vnto young Hamlet, for vppon my life1.1.170

View Immaterial Textual Note for 169
169 Vnto young Hamlet, for vppon my life1.1.170

View Material Textual Note for 169
169 Vnto young Hamlet, for vppon my life1.1.170