diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/EntitiesVersioningConfiguration.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/EntitiesVersioningConfiguration.java
index 75dfb5ded..b73448e5e 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/EntitiesVersioningConfiguration.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/EntitiesVersioningConfiguration.java
@@ -6,12 +6,16 @@
 import org.springframework.context.annotation.Configuration;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
 
 @Configuration
 public class EntitiesVersioningConfiguration {
 
+    @PersistenceContext
+    private EntityManager entityManager;
+
     @Bean
-    EntityDescriptorVersionService entityDescriptorVersionService(EntityManager entityManager) {
+    EntityDescriptorVersionService entityDescriptorVersionService() {
         return new EnversEntityDescriptorVersionService(entityManager);
     }
 }
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/envers/PrincipalAwareRevisionEntity.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/envers/PrincipalAwareRevisionEntity.java
index 88e20179d..6a2847b38 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/envers/PrincipalAwareRevisionEntity.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/envers/PrincipalAwareRevisionEntity.java
@@ -18,4 +18,8 @@
 public class PrincipalAwareRevisionEntity extends DefaultTrackingModifiedEntitiesRevisionEntity {
 
     private String principalUserName;
+
+    public String idAsString() {
+        return String.valueOf(getId());
+    }
 }
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionService.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionService.java
index c5cbabc27..123940f35 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionService.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionService.java
@@ -1,12 +1,22 @@
 package edu.internet2.tier.shibboleth.admin.ui.service;
 
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptor;
 import edu.internet2.tier.shibboleth.admin.ui.domain.frontend.EntityDescriptorRepresentation;
 import edu.internet2.tier.shibboleth.admin.ui.domain.versioning.Version;
+import edu.internet2.tier.shibboleth.admin.ui.envers.PrincipalAwareRevisionEntity;
 import org.hibernate.envers.AuditReader;
 import org.hibernate.envers.AuditReaderFactory;
+import org.hibernate.envers.RevisionEntity;
+import org.hibernate.envers.query.AuditEntity;
+import org.springframework.data.jpa.repository.JpaContext;
 
 import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.Arrays;
 import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * Hibernate Envers based implementation of {@link EntityDescriptorVersionService}.
@@ -15,14 +25,31 @@ public class EnversEntityDescriptorVersionService implements EntityDescriptorVer
 
     private AuditReader auditReader;
 
-    public EnversEntityDescriptorVersionService(EntityManager em) {
+    private EntityManager entityManager;
 
-        this.auditReader = AuditReaderFactory.get(em);
+    public EnversEntityDescriptorVersionService(EntityManager entityManager) {
+        this.entityManager = entityManager;
     }
 
     @Override
     public List<Version> findVersionsForEntityDescriptor(String resourceId) {
-        return null;
+        List revs = AuditReaderFactory.get(entityManager).createQuery()
+                .forRevisionsOfEntity(EntityDescriptor.class, false, false)
+                .add(AuditEntity.property("resourceId").eq(resourceId))
+                .getResultList();
+
+        //TODO: sort
+        Object revEntities = revs.stream()
+                .map(it -> (PrincipalAwareRevisionEntity)((Object[])it)[1])
+                .map(it -> {
+                    return new Version(((PrincipalAwareRevisionEntity) it).idAsString(),
+                            ((PrincipalAwareRevisionEntity) it).getPrincipalUserName(),
+                            ((PrincipalAwareRevisionEntity) it).getRevisionDate().toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime());
+                })
+                .collect(Collectors.toList());
+
+
+        return (List<Version>)revEntities;
     }
 
     @Override
diff --git a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionServiceTests.groovy b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionServiceTests.groovy
new file mode 100644
index 000000000..426c5eb6e
--- /dev/null
+++ b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/service/EnversEntityDescriptorVersionServiceTests.groovy
@@ -0,0 +1,63 @@
+package edu.internet2.tier.shibboleth.admin.ui.service
+
+import edu.internet2.tier.shibboleth.admin.ui.configuration.CoreShibUiConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.configuration.EntitiesVersioningConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.configuration.InternationalizationConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.configuration.SearchConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.configuration.TestConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptor
+import edu.internet2.tier.shibboleth.admin.ui.domain.frontend.ContactRepresentation
+import edu.internet2.tier.shibboleth.admin.ui.domain.frontend.EntityDescriptorRepresentation
+import edu.internet2.tier.shibboleth.admin.ui.repository.EntityDescriptorRepository
+import edu.internet2.tier.shibboleth.admin.ui.repository.envers.EnversTestsSupport
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.autoconfigure.domain.EntityScan
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.transaction.PlatformTransactionManager
+import spock.lang.Specification
+
+import static edu.internet2.tier.shibboleth.admin.ui.repository.envers.EnversTestsSupport.*
+import static edu.internet2.tier.shibboleth.admin.ui.repository.envers.EnversTestsSupport.doInExplicitTransaction
+
+@DataJpaTest
+@ContextConfiguration(classes = [CoreShibUiConfiguration, InternationalizationConfiguration, TestConfiguration, SearchConfiguration, EntitiesVersioningConfiguration])
+@EnableJpaRepositories(basePackages = ["edu.internet2.tier.shibboleth.admin.ui"])
+@EntityScan("edu.internet2.tier.shibboleth.admin.ui")
+class EnversEntityDescriptorVersionServiceTests extends Specification {
+
+    @Autowired
+    EntityDescriptorVersionService entityDescriptorVersionService
+
+    @Autowired
+    EntityDescriptorRepository entityDescriptorRepository
+
+    @Autowired
+    EntityDescriptorService entityDescriptorService
+
+    @Autowired
+    PlatformTransactionManager txMgr
+
+    def "temp test"() {
+        def representation = new EntityDescriptorRepresentation().with {
+            it.contacts = [new ContactRepresentation(type: 'administrative', name: 'name', emailAddress: 'test@test')]
+            it
+        }
+        EntityDescriptor ed = entityDescriptorService.createDescriptorFromRepresentation(representation)
+        ed = doInExplicitTransaction(txMgr) {
+            entityDescriptorRepository.save(ed)
+        }
+        entityDescriptorVersionService.findVersionsForEntityDescriptor(ed.resourceId)
+
+        ed.entityID = "Entity ID"
+        ed = doInExplicitTransaction(txMgr) {
+            entityDescriptorRepository.save(ed)
+        }
+
+        def versions = entityDescriptorVersionService.findVersionsForEntityDescriptor(ed.resourceId)
+
+        expect:
+        true
+    }
+}