diff --git a/raw/sources.bib b/raw/sources.bib
index e3d2917..a653cfe 100644
--- a/raw/sources.bib
+++ b/raw/sources.bib
@@ -2398,6 +2398,19 @@ @book{Pearson2008
 	volume = {54},
 	year = {2008}}
 
+@book{Pearson2016,
+	address = {Ukarumpa},
+	author = {Pearson, Mary},
+	publisher = {SIL},
+	title = {Helenga chorchorna talangana: Alphabet book},
+	year = {2016}}
+
+@unpublished{Pearson2018,
+	author = {Pearson, Mary},
+	note = {https://www.sil.org/resources/archives/74820},
+	title = {Lote numbers},
+	year = {2018}}
+
 @book{Petterson2007,
 	address = {Papua New Guinea},
 	author = {Petterson, Robert G.},