Found the following hamletworks.org entries referring to line 99

View Commentary Note for 77
77 When {he the ambitious} <th'Ambitious> Norway combated,1.1.61

View Commentary Note for 99
99 Was as you knowe by Fortinbrasse of Norway,1.1.82

View Immaterial Textual Note for 99
99 Was as you knowe by Fortinbrasse of Norway,1.1.82

View Material Textual Note for 99
99 Was as you knowe by Fortinbrasse of Norway,1.1.82