Found the following hamletworks.org entries referring to line 3518

View Commentary Note for 3517, etc.
3517 My feares forgetting manners to {vnfold} <vnseale> {N1v}5.2.17
3518 Their graund commission; where I found Horatio5.2.18

View Immaterial Textual Note for 3517, etc.
3517 My feares forgetting manners to {vnfold} <vnseale> {N1v}5.2.17
3518 Their graund commission; where I found Horatio5.2.18

View Material Textual Note for 3517, etc.
3517 My feares forgetting manners to {vnfold} <vnseale> {N1v}5.2.17
3518 Their graund commission; where I found Horatio5.2.18