diff --git a/Doc/Sd1/objectsClasses.xml b/Doc/Sd1/objectsClasses.xml
index a6680420bd9507f6c40313693731407c2ba15b5f..f5412b149ede06c524a2c38c5732d13366eeff4f 100644
--- a/Doc/Sd1/objectsClasses.xml
+++ b/Doc/Sd1/objectsClasses.xml
@@ -2624,9 +2624,9 @@ public class Rectangle {
   /**
    *
    * @param width The rectangle's width
-   * @param heigth The rectangle's height
+   * @param height The rectangle's height
    */
-  public Rectangle (double width, double heigth) {
+  public Rectangle (double width, double height) {
      //TODO
   }
   /**
@@ -2759,7 +2759,7 @@ public class Rectangle {
   /**
    *
    * @param width The rectangle's width
-   * @param heigth The rectangle's height
+   * @param height The rectangle's height
    */
   public Rectangle (double width, double height) {
      setWidth(width);
diff --git a/Doc/Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml b/Doc/Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml
index a5f09e098d57f4c7a6c146e3940ededef76384b6..78a47f75c8599a2b81f38ed9cb6ae556f995ca60 100644
--- a/Doc/Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml
+++ b/Doc/Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<section version="5.0" xml:id="sda1_exam_2019_summer" xml:lang="en"
+<section version="5.0" xml:id="sda1_exam_2019_winter" xml:lang="en"
          xmlns="http://docbook.org/ns/docbook"
          xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"
@@ -9,20 +9,12 @@
          xmlns:m="http://www.w3.org/1998/Math/MathML"
          xmlns:html="http://www.w3.org/1999/xhtml"
          xmlns:db="http://docbook.org/ns/docbook">
-  <info>
-    <title/>
-
-    <author>
-      <personname/>
-    </author>
-
-    <pubdate/>
-  </info>
+  <title>SDA1 examination winter 2019</title>
 
   <section xml:id="sda1_exam_2020_winter_task1">
     <title>Lecture examinations</title>
 
-    <section xml:id="sda1_exam_2019_summer_aufgabe1_prepare">
+    <section xml:id="sda1_exam_2019_winter_task1_prepare">
       <title>Preparations</title>
 
       <para>Download and unzip the above file <filename>exam.zip</filename>.
@@ -45,7 +37,7 @@
       </orderedlist>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_aufgabe1_descr">
+    <section xml:id="sda1_exam_2019_winter_task1_descr">
       <title>Description</title>
 
       <para>Consider lectures and related examination results:</para>
@@ -143,7 +135,7 @@
       </orderedlist>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_aufgabe1_task">
+    <section xml:id="sda1_exam_2019_winter_task1_task">
       <title>Tasks</title>
 
       <para>Complete your schema's implementation in
@@ -229,7 +221,7 @@
       </tip>
     </section>
 
-    <section version="5.1" xml:id="sda1_exam_2019_summer_uploadFirst">
+    <section version="5.1" xml:id="sda1_exam_2019_winter_uploadFirst">
       <title>Project upload</title>
 
       <para>Export your project by hitting »File« --&gt; »Export to Zip File«
@@ -260,7 +252,7 @@
       </itemizedlist>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_examCaveats">
+    <section xml:id="sda1_exam_2019_winter_examCaveats">
       <title>Caveats</title>
 
       <itemizedlist>
@@ -281,7 +273,7 @@
     <title>Relational representation of <tag
     class="starttag">examinations</tag> documents</title>
 
-    <section xml:id="sda1_exam_2019_summer_task2_prepare">
+    <section xml:id="sda1_exam_2019_winter_task2_prepare">
       <title>Preparation</title>
 
       <para>If you already started the first task just continue working on
@@ -292,7 +284,7 @@
       level.</para>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_task2_descr">
+    <section xml:id="sda1_exam_2019_winter_task2_descr">
       <title>Description / tasks</title>
 
       <para>Extend the relational schema skeleton
@@ -308,7 +300,7 @@
       <para>Use CHECK(...) constraints where appropriate.</para>
     </section>
 
-    <section version="5.1" xml:id="sda1_exam_2019_summer_uploadFollow">
+    <section version="5.1" xml:id="sda1_exam_2019_winter_uploadFollow">
       <title>Solution upload</title>
 
       <para>Upload your project using the previous task. Then enter «I'm
@@ -320,7 +312,7 @@
   <section xml:id="sda1_exam_2020_winter_task3">
     <title>Import XML instances into RDBMS</title>
 
-    <section xml:id="sda1_exam_2019_summer_task3_prepare">
+    <section xml:id="sda1_exam_2019_winter_task3_prepare">
       <title>Preparation</title>
 
       <para>If you already started the first task just continue working on
@@ -328,7 +320,7 @@
       skeleton project import.</para>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_task3_descr">
+    <section xml:id="sda1_exam_2019_winter_task3_descr">
       <title>Description</title>
 
       <para>Write a Java application reading <tag
@@ -364,7 +356,7 @@
       </itemizedlist>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_task3_tasks">
+    <section xml:id="sda1_exam_2019_winter_task3_tasks">
       <title>Tasks</title>
 
       <para>Pre- insert Student data from
@@ -396,7 +388,7 @@
       </orderedlist>
     </section>
 
-    <section xml:id="sda1_exam_2019_summer_task3_hints">
+    <section xml:id="sda1_exam_2019_winter_task3_hints">
       <title>Hints</title>
 
       <itemizedlist>
@@ -417,7 +409,7 @@
       </itemizedlist>
     </section>
 
-    <section version="5.1" xml:id="sda1_exam_2019_summer_task3_upload">
+    <section version="5.1" xml:id="sda1_exam_2019_winter_task3_upload">
       <title>Solution upload</title>
 
       <para>Upload your project using the first task. Enter either of the
diff --git a/Doc/Sdi/ldap.xml b/Doc/Sdi/ldap.xml
index 713e49b01460d2bb8e2a1fdf0a2af8916234770f..fb8d08db0e081a18c8a754fbc8f3bab6b5785bb0 100644
--- a/Doc/Sdi/ldap.xml
+++ b/Doc/Sdi/ldap.xml
@@ -32,12 +32,6 @@
         to LDAP</uri></para>
       </listitem>
 
-      <listitem>
-        <para><uri
-        xlink:href="http://www-cs-students.stanford.edu/~hgberg/Links/LDAP.pdf">Slides
-        ldap.pdf</uri></para>
-      </listitem>
-
       <listitem>
         <para><uri
         xlink:href="http://ldapman.org/articles/intro_to_ldap.html">ldapman.org,
@@ -84,7 +78,7 @@
   </figure>
 
   <figure xml:id="sdi_ldap_Dit">
-    <title>Document Information Tree (DIT)</title>
+    <title>Document Information Tree (<abbrev>DIT</abbrev>)</title>
 
     <mediaobject>
       <imageobject>
@@ -1015,8 +1009,9 @@ modifying entry "olcDatabase={0}config,cn=config"</screen>
         </listitem>
 
         <listitem>
-          <para>First step will allow for viewing user meta data on the client
-          side:</para>
+          <para>If your <xref linkend="glo_LDAP"/> server features a user
+          having e.g. <code>uid=ldaptest</code> this should allow for viewing
+          its meta data on the client side:</para>
 
           <screen>$ id ldaptest
 uid=1001(ldaptest) gid=1001(ldaptest) groups=1001(ldaptest)</screen>
@@ -1044,6 +1039,12 @@ shadow:         files ldap</programlisting>
                 daemon. Why?</para>
               </listitem>
 
+              <listitem>
+                <para>Your Secure Shell Daemon configuration
+                /etc/ssh/sshd_config should contain the line
+                (anyway):<programlisting language="bourne">PasswordAuthentication no</programlisting></para>
+              </listitem>
+
               <listitem>
                 <para>After changing your configuration a reboot might be
                 required.</para>
diff --git a/Doc/lectures.xml b/Doc/lectures.xml
index 88ac3825a33c5f0c4796d125d84306dbb8530e3d..e2dfaf4e8a383ec376e138cb79e6855649c47a23 100644
--- a/Doc/lectures.xml
+++ b/Doc/lectures.xml
@@ -159,7 +159,11 @@
         <title>Past SDA1 examinations</title>
 
         <xi:include href="Sda1/Exam/2019/Summer/exam.xml"
-                    xpointer="element(/1)"/>
+		xpointer="element(/1)"/>
+
+        <xi:include href="Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml"
+		xpointer="element(/1)"/>
+
       </section>
     </appendix>
   </part>