diff --git a/.gitignore b/.gitignore
index 894a44c..c73bd8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,3 +102,10 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+
+# Mac stuff
+.DS_Store
+
+# other
+lit/
\ No newline at end of file
diff --git a/data/bib/allovera.bib b/data/bib/allovera.bib
index c196089..9173511 100644
--- a/data/bib/allovera.bib
+++ b/data/bib/allovera.bib
@@ -121,6 +121,14 @@ @misc{Wiki:2019-japanese-phonology
   note   = {[Online; accessed 12-Nov-2019]}
 }
 
+@misc{Wiki:2020-serbian-phonology,
+  author = {{Wikipedia contributors}},
+  title  = {{Serbo-Croatian} Phonology --- {W}ikipedia{,} The Free Encyclopedia},
+  year   = {2020},
+  url    = {https://en.wikipedia.org/wiki/Serbo-Croatian_phonology},
+  note   = {[Online; accessed 19-May-2020]}
+}
+
 @misc{Wiki:2019-spanish-language,
   author = {{Wikipedia contributors}},
   title  = {{Spanish} Language in the {Americas} --- {W}ikipedia{,} The Free Encyclopedia},
diff --git a/data/json/srp.json b/data/json/srp.json
new file mode 100644
index 0000000..23f34cc
--- /dev/null
+++ b/data/json/srp.json
@@ -0,0 +1,207 @@
+{
+    "iso": "srp",
+    "glottocodes": ["serb1264"],
+    "primary src": "Wiki:2020-serbian-phonology",
+    "secondary srcs": [],
+    "g2p": "custom",
+    "mappings": [
+        {
+            "phone": "p",
+            "phoneme": "p",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless bilabial stop"
+        },
+        {
+            "phone": "t",
+            "phoneme": "t",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless dental stop"
+        },
+        {
+            "phone": "k",
+            "phoneme": "k",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless velar stop"
+        },
+        {
+            "phone": "b",
+            "phoneme": "b",
+            "environment": "elsewhere",
+            "articulatory description": "voiced bilabial stop"
+        },
+        {
+            "phone": "d",
+            "phoneme": "d",
+            "environment": "elsewhere",
+            "articulatory description": "voiced dental stop"
+        },
+        {
+            "phone": "g",
+            "phoneme": "ɡ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced velar stop"
+        },
+        {
+            "phone": "t͡s",
+            "phoneme": "t͡s",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless dental affricate"
+        },
+        {
+            "phone": "t͡ʂ",
+            "phoneme": "t͡ʂ",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless retroflex sibilant affricate"
+        },
+        {
+            "phone": "t͡ɕ",
+            "phoneme": "t͡ɕ",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless alveolo-palatal sibilant affricate"
+        },
+        {
+            "phone": "d͡ʐ",
+            "phoneme": "d͡ʐ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced retroflex sibilant affricate"
+        },
+        {
+            "phone": "d͡ʑ",
+            "phoneme": "d͡ʑ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced alveolo-palatal sibilant affricate"
+        },
+        {
+            "phone": "f",
+            "phoneme": "f",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless labio-dental fricative"
+        },
+        {
+            "phone": "s",
+            "phoneme": "s",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless dental sibilant fricative"
+        },
+        {
+            "phone": "ʂ",
+            "phoneme": "ʂ",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless retroflex sibilant fricative"
+        },
+        {
+            "phone": "h",
+            "phoneme": "x",
+            "environment": "word initially",
+            "articulatory description": "voiceless glottal fricative"
+        },
+        {
+            "phone": "x",
+            "phoneme": "x",
+            "environment": "elsewhere",
+            "articulatory description": "voiceless velar fricative"
+        },
+        {
+            "phone": "v",
+            "phoneme": "v",
+            "environment": "elsewhere",
+            "articulatory description": "voiced labio-dental fricative"
+        },
+        {
+            "phone": "z",
+            "phoneme": "z",
+            "environment": "elsewhere",
+            "articulatory description": "voiced dental sibilant fricative"
+        },
+        {
+            "phone": "ʐ",
+            "phoneme": "ʐ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced retroflex sibilant fricative"
+        },
+        {
+            "phone": "m",
+            "phoneme": "m",
+            "environment": "elsewhere",
+            "articulatory description": "voiced bilabial nasal"
+        },
+        {
+            "phone": "n",
+            "phoneme": "n",
+            "environment": "elsewhere",
+            "articulatory description": "voiced alveolar nasal"
+        },
+        {
+            "phone": "ŋ",
+            "phoneme": "n",
+            "environment": "before velar stops [k, g]",
+            "articulatory description": "voiced velar nasal"
+        },
+        {
+            "phone": "ɲ",
+            "phoneme": "ɲ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced palatal nasal"
+        },
+        {
+            "phone": "ɾ",
+            "phoneme": "r",
+            "environment": "intervocalically",
+            "articulatory description": "voiced alveolar flap"
+        },
+        {
+            "phone": "r",
+            "phoneme": "r",
+            "environment": "elsewhere",
+            "articulatory description": "voiced alveolar trill"
+        },
+        {
+            "phone": "j",
+            "phoneme": "j",
+            "environment": "elsewhere",
+            "articulatory description": "voiced palatal approximant"
+        },
+        {
+            "phone": "l",
+            "phoneme": "l",
+            "environment": "elsewhere",
+            "articulatory description": "voiced alveolar lateral approximant"
+        },
+        {
+            "phone": "ʎ",
+            "phoneme": "ʎ",
+            "environment": "elsewhere",
+            "articulatory description": "voiced palatal lateral approximant"
+        },
+        {
+            "phone": "i",
+            "phoneme": "i",
+            "environment": "elsewhere",
+            "articulatory description": "close front unrounded vowel"
+        },
+        {
+            "phone": "e",
+            "phoneme": "e",
+            "environment": "elsewhere",
+            "articulatory description": "mid front unrounded vowel"
+        },
+        {
+            "phone": "u",
+            "phoneme": "u",
+            "environment": "elsewhere",
+            "articulatory description": "close back rounded vowel"
+        },
+        {
+            "phone": "o",
+            "phoneme": "o",
+            "environment": "elsewhere",
+            "articulatory description": "mid back rounded vowel"
+        },
+        {
+            "phone": "a",
+            "phoneme": "a",
+            "environment": "elsewhere",
+            "articulatory description": "open central unrounded vowel"
+        }
+    ]
+}
\ No newline at end of file