Found the following hamletworks.org entries referring to line 321

View Commentary Note for 321
321 Possesse it {meerely that} <meerely. That> it should come {thus} <to this:>1.2.137

View Immaterial Textual Note for 321
321 Possesse it {meerely that} <meerely. That> it should come {thus} <to this:>1.2.137

View Material Textual Note for 321
321 Possesse it {meerely that} <meerely. That> it should come {thus} <to this:>1.2.137

View Commentary Note for 322
322 But two months dead, nay not so much, not two, {C1v}