diff --git a/ideophones.bib b/ideophones.bib
index 2f59633..59be08c 100644
--- a/ideophones.bib
+++ b/ideophones.bib
@@ -57,6 +57,12 @@ uses.},
 	author = {Barrett, Rusty}
 }
 
+@Book{boas1933franz,
+	year = {1933},
+	title = {Handbook of American Indian Languages},
+	author = {Boas, Franz}
+}
+
 @Article{dingemanse2012advances,
 	pages = {654--672},
 	number = {10},
@@ -82,7 +88,7 @@ ideophones cross-linguistically.},
 	author = {Dingemanse, Mark}
 }
 
-@Article{dingemanse2017typology,
+@Article{dingemanse2017expressiveness,
 	pages = {363--385},
 	number = {2},
 	volume = {70},
@@ -104,6 +110,15 @@ ideophones cross-linguistically.},
 	title = {Reduplication in Indigenous Languages of South America}
 }
 
+@InBook{irvine2000language,
+	volume = {1},
+	booksubtitle = {A Reader},
+	booktitle = {Linguistic Anthropology},
+	year = {2000},
+	title = {Language ideology and linguistic differentiation},
+	author = {Irvine, Judith and Gal, Susan}
+}
+
 @Article{mihas2012ideophones,
 	file = {Documents/reading/ideophones/mihas2012ideophones.pdf},
 	pages = {300--344},