diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/entity/User.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/entity/User.java
index ee73cea40..20664afe7 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/entity/User.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/entity/User.java
@@ -75,6 +75,9 @@ public User(User user) {
 	@Column(name = "long_term_token")
 	private String token;
 
+	/**
+	 * This is a passport for the user represented as a string. See the Passport class for more information.
+	 */
 	@Column(name = "passport")
 	private String passport;
 
diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghPassportV1.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghPassportV1.java
index 924bc3b5c..33667652b 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghPassportV1.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghPassportV1.java
@@ -4,6 +4,17 @@
 
 import java.util.List;
 
+/**
+ * The Ga4ghPassportV1 class is a model for the GA4GH Passport V1 object.
+ * <a href="https://github.com/ga4gh-duri/ga4gh-duri.github.io/blob/master/researcher_ids/ga4gh_passport_v1.md#passport-claim">passport-claim</a>
+ *
+ * <p>
+ *     <b>Description</b>
+ *     <br>
+ *     The GA4GH Passport V1 object is a JSON Web Token (JWT) that contains information about a user's identity, the signing entity (ga4ghVisaV1), and
+ *     the permissions they have been granted (RasDbgapPermissions).
+ * </p>
+ */
 public class Ga4ghPassportV1 {
 
     private String iss;
diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghVisaV1.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghVisaV1.java
index e6531a6f8..1bb6534c8 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghVisaV1.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Ga4ghVisaV1.java
@@ -1,5 +1,9 @@
 package edu.harvard.hms.dbmi.avillach.auth.model.ras;
 
+/**
+ * The Ga4ghVisaV1 class is a model for the GA4GH Visa V1 object.
+ * <a href="https://github.com/ga4gh-duri/ga4gh-duri.github.io/blob/master/researcher_ids/ga4gh_passport_v1.md#visa-claim">ga4gh_passport_v1.md#visa-claim</a>
+ */
 public class Ga4ghVisaV1 {
 
     private String type;
diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Passport.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Passport.java
index 8b746f80a..5f31963db 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Passport.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/Passport.java
@@ -4,6 +4,10 @@
 
 import java.util.List;
 
+/**
+ * The RAS Passport JWT as defined by RAS in their developer documentation.
+ * Contains a list of claims about the user and the user's identity and a list of GA4Gh Passports as defined in the GA4GH standard.
+ */
 public class Passport {
 
     private String sub;
diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/RasDbgapPermission.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/RasDbgapPermission.java
index b5a9d4dcd..25f3d233a 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/RasDbgapPermission.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/model/ras/RasDbgapPermission.java
@@ -2,6 +2,21 @@
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+/**
+ * The RasDbgapPermission class is a model for the RAS dbGaP Permission object. An example of this object is:
+ * This is not a real study, but an example of what the object looks like.
+ * <pre>
+ *     {
+ *       "consent_name": "Unrestricted",
+ *       "phs_id": "phs000123",
+ *       "version": "v1",
+ *       "participant_set": "p1",
+ *       "consent_group": "c1",
+ *       "role": "pi",
+ *       "expiration": 1234567890
+ *     }
+ * </pre>
+ */
 public class RasDbgapPermission {
 
     @JsonProperty("consent_name")