diff --git a/classifiers.bib b/classifiers.bib
index e6ba36f..c68dc2e 100644
--- a/classifiers.bib
+++ b/classifiers.bib
@@ -42,6 +42,13 @@
 	title = {A morphosyntactic typology of classifiers}
 }
 
+@InBook{downing1986anaphoric,
+	title = {The anaphoric use of classifiers in Japanese},
+	pages = {345--375},
+	author = {Downing, Pamela},
+	crossref = {craig1986noun}
+}
+
 @InProceedings{dixon1986noun,
 	crossref = {craig1986noun},
 	pages = {105--112},
diff --git a/grammars.bib b/grammars.bib
index 0c31af4..de27d11 100644
--- a/grammars.bib
+++ b/grammars.bib
@@ -9,6 +9,13 @@
 	editor = {Hammarström, Harald and Forkel, Robert and Haspelmath, Martin}
 }
 
+@Book{heath1978ngandi,
+	publisher = {Australian Institute of Aboriginal Studies},
+	year = {1978},
+	title = {Ngandi Grammar, Texts, and Dictionary},
+	author = {Heath, Jeffery}
+}
+
 @book{mathiassen1996short,
 	title = {A short grammar of Lithuanian},
 	author = {Mathiassen, Terje},
diff --git a/morphology.bib b/morphology.bib
index 2e24039..91b84c8 100644
--- a/morphology.bib
+++ b/morphology.bib
@@ -1,4 +1,12 @@
 
+@InBook{singh2003praise,
+	pages = {66--76},
+	author = {Singh, Rajendra and Ford, Alan},
+	subtitle = {Some remarks on whole word morphology},
+	title = {In praise of Śaka\d{t}āyana},
+	crossref = {singh2003explorations}
+}
+
 @Article{manova2020what,
 	pages = {1--17},
 	subtitle = {Theoretical, experimental and computational approaches to the relation of mean and form in morphology},
@@ -17,6 +25,13 @@
 	crossref = {booij2003yearbook}
 }
 
+@InBook{ford2003prolegomena,
+	pages = {18--42},
+	title = {Prolegomena to a theory of non-Pā\d{n}inian morphology},
+	author = {Ford, Alan and Singh, Rajendra},
+	crossref = {singh2003explorations}
+}
+
 @InBook{bickel2015typological,
 	file = {Documents/reading/morphology/bickel2015typological.pdf},
 	pages = {7--43},
@@ -335,6 +350,13 @@
 	author = {Booij, Geert}
 }
 
+@Book{booij2010construction,
+	publisher = {Oxford University Press},
+	year = {2010},
+	title = {Construction Morphology},
+	author = {Booij, Geert}
+}
+
 @InBook{borjars1997paradigms,
 	pages = {155--180},
 	series = {Yearbook of Morphology (YOMO)},
@@ -379,6 +401,13 @@
 	author = {Bybee, Joan L and Moder, Carol Lynn}
 }
 
+@Book{bybee1985morphology,
+	publisher = {Amsterdam/Philadelphia : John Benjamins},
+	year = {1985},
+	title = {Morphology},
+	author = {Bybee, Joan L}
+}
+
 @InBook{cappellaro2013overabundance,
 	file = {Documents/reading/morphology/cappellaro2013overabundance.pdf},
 	title = {Overabundance in diachrony: a case study},
@@ -918,6 +947,14 @@
 	author = {{Guzman Naranjo}, Matías and Bonami, Olivier}
 }
 
+@Thesis{naranjo2019analogy,
+	year = {2019},
+	institution = {Universität Leipzig},
+	type = {PhD},
+	title = {Analogy in Formal Grammar},
+	author = {{Guzmán Naranjo}, Matías}
+}
+
 @InProceedings{narasimhan2015unsupervised,
 	pages = {157--167},
 	volume = {3},
@@ -1094,6 +1131,7 @@
 }
 
 @Book{singh2003explorations,
+	booktitle = {Explorations in Seamless Morphology},
 	publisher = {Sage Publications},
 	editor = {Singh, Rajendra and Starosta, Stanely},
 	title = {Explorations in Seamless Morphology},
diff --git a/philosophy.bib b/philosophy.bib
new file mode 100644
index 0000000..e009cc9
--- /dev/null
+++ b/philosophy.bib
@@ -0,0 +1,16 @@
+
+@InBook{lakatos1970falsification,
+	pages = {91--195},
+	author = {Lakatos, Imre},
+	crossref = {lakatos1970criticism},
+	title = {Falsification and the methodology of scientific research programmes}
+}
+
+@Book{lakatos1970criticism,
+	publisher = {Cambridge University Press},
+	booktitle = {Criticism and the Growth of Knowledge},
+	editor = {Lakatos, Imre and Musgrave, Alan},
+	year = {1970},
+	title = {Criticism and the Growth of Knowledge}
+}
+
diff --git a/semantics.bib b/semantics.bib
index 23fe3cd..3f893a7 100644
--- a/semantics.bib
+++ b/semantics.bib
@@ -147,6 +147,16 @@
 	publisher = {Oxford University Press}
 }
 
+@Article{katz1963structure,
+	pages = {170--210},
+	number = {2},
+	volume = {39},
+	year = {1963},
+	journaltitle = {Language},
+	title = {The structure of a semantic theory},
+	author = {Katz, Jerrold J. and Fodor, Jerry A.}
+}
+
 @article{lewis1923facts,
 	title = {Facts, systems, and the unity of the world},
 	author = {Lewis, Clarence Irving},