Heuser, R., & Le-Khac, L. From keywords to cohorts: Ryan Heuser. Long Le-Khac. Canon/Archive : studies in quantitative formalism from the Stanford Literary Lab.(2017).

Heuser, Ryan, and Long Le-Khac. "From Keywords to Cohorts: Ryan Heuser. Long Le-Khac." Canon/Archive : Studies in Quantitative Formalism from the Stanford Literary Lab.(2017) .

Heuser, Ryan, and Long Le-Khac. "From Keywords to Cohorts: Ryan Heuser. Long Le-Khac." Canon/Archive : Studies in Quantitative Formalism from the Stanford Literary Lab.(2017), .