diff --git a/src/bibapi/__init__.py b/src/bibapi/__init__.py
index 0dded92..7f3f30a 100644
--- a/src/bibapi/__init__.py
+++ b/src/bibapi/__init__.py
@@ -1,5 +1,4 @@
-from enum import Enum
-
+from .schemas.api_types import *
 from .sru import Api as _Api
 
 __all__ = [
@@ -12,86 +11,6 @@ __all__ = [
 ]
 
 
-class PicaSchema(Enum):
-    TITLE = "pica.tit"
-    CALLSIGN = "pica.abr"
-    ALL = "pica.all"
-    DATE_FIRST_CREATION = "pica.ser"
-    DATE_LAST_MODIFIED = "pica.aed"
-    ISBN = "pica.isb"
-    ISSN = "pica.isn"
-    ISMN = "pica.ism"
-    PPN = "pica.ppn"
-    AUTHOR = "pica.per"
-    YEAR = "pica.jhr"
-    AUTHOR_SCHEMA = "NoSpaceAfterComma"
-    ENCLOSE_TITLE_IN_QUOTES = False
-
-
-class ALMASchema(Enum):
-    TITLE = "alma.title"
-    AUTHOR = "alma.author"
-    ENCLOSE_TITLE_IN_QUOTES = True
-    AUTHOR_SCHEMA = "NoSpaceAfterComma"
-    YEAR = "date_of_publication"
-
-
-class DublinCoreSchema(Enum):
-    TITLE = "dc.title"
-    AUTHOR = "dc.creator"
-    AUTHOR_SCHEMA = "SpaceAfterComma"
-    ENCLOSE_TITLE_IN_QUOTES = False
-    YEAR = "dc.date"
-
-
-class CQLSchema(Enum):
-    pass
-
-
-class SWBSchema(Enum):
-    URL = "https://sru.k10plus.de/opac-de-627!rec=1?version=1.1&operation=searchRetrieve&query={}&maximumRecords=100&recordSchema=marcxml"
-    ARGSCHEMA = PicaSchema
-    NAME = "SWB"
-    LIBRARY_NAME_LOCATION_FIELD = "924$b"
-
-
-class DNBSchema(Enum):
-    URL = "https://services.dnb.de/sru/dnb?version=1.1&operation=searchRetrieve&query={}&maximumRecords=100&recordSchema=MARC21-xml"
-    ARGSCHEMA = DublinCoreSchema
-    NAME = "DNB"
-
-
-class KOBVSchema(Enum):
-    URL = "https://sru.kobv.de/k2?version=1.1&operation=searchRetrieve&query={}&startRecord=1&maximumRecords=100&recordSchema=marcxml"
-    ARGSCHEMA = DublinCoreSchema
-    NAME = "KOBV"
-    LIBRARY_NAME_LOCATION_FIELD = "924$b"
-
-
-class HebisSchema(Enum):
-    URL = "http://sru.hebis.de/sru/DB=2.1?query={}&version=1.1&operation=searchRetrieve&stylesheet=http%3A%2F%2Fsru.hebis.de%2Fsru%2F%3Fxsl%3DsearchRetrieveResponse&recordSchema=marc21&maximumRecords=100&startRecord=1&recordPacking=xml&sortKeys=LST_Y%2Cpica%2C0%2C%2C"
-    ARGSCHEMA = PicaSchema
-    NOTSUPPORTEDARGS = ["YEAR"]
-    NAME = "HEBIS"
-    REPLACE = {" ": "+", "&": "%26", "=": "+%3D+"}
-    LIBRARY_NAME_LOCATION_FIELD = "924$b"
-
-
-class OEVKSchema(Enum):
-    URL = "https://sru.k10plus.de/opac-de-627-2?version=1.1&operation=searchRetrieve&query={}&maximumRecords=100&recordSchema=marcxml"
-    ARGSCHEMA = PicaSchema
-    NAME = "OEVK"
-    LIBRARY_NAME_LOCATION_FIELD = "924$b"
-
-
-class HBZSchema(Enum):
-    URL = "https://eu04.alma.exlibrisgroup.com/view/sru/49HBZ_NETWORK?version=1.2&operation=searchRetrieve&recordSchema=marcxml&query={}&maximumRecords=100&recordSchema=marcxml"
-    ARGSCHEMA = ALMASchema
-    NAME = "HBZ"
-    LIBRARY_NAME_LOCATION_FIELD = "852$a"
-    NOTSUPPORTEDARGS = ["PPN"]
-
-
 class SWB(_Api):
     def __init__(self):
         self.site = SWBSchema.NAME.value