diff --git a/lab6/laboratoria6-zadaniedomowe.pdf b/lab6/laboratoria6-zadaniedomowe.pdf
new file mode 100644
index 0000000..66ad93c
Binary files /dev/null and b/lab6/laboratoria6-zadaniedomowe.pdf differ
diff --git a/lab6/laboratoria6.xml b/lab6/laboratoria6.xml
new file mode 100644
index 0000000..d214d6a
--- /dev/null
+++ b/lab6/laboratoria6.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE card SYSTEM "plik_dtd.dtd">
+
+<card>
+  <name>Sebastian</name>
+  <lastname>Dolata</lastname>
+  <phone>123456789</phone>
+  <email>sebdol@st.amu.edu.pl</email>
+  <address>
+    <street>Uniwersyettu Poznańskiego</street>
+    <building_number>2</building_number>
+    <postal_code>66-600</postal_code>
+    <town>Poznań</town>
+  </address>
+</card>
diff --git a/lab6/plik.xml b/lab6/plik.xml
new file mode 100644
index 0000000..1dba935
--- /dev/null
+++ b/lab6/plik.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE spis_powszechny [
+    <!ELEMENT spis_powszechny (date, address, person*)>
+
+    <!ELEMENT date (year, month, day)>
+    <!ELEMENT year (#PCDATA)>
+    <!ELEMENT month (#PCDATA)>
+    <!ELEMENT day (#PCDATA)>
+
+    <!ELEMENT address (street, city, county, country, postalcode)>
+    <!ELEMENT street (#PCDATA|unit)*>
+    <!ELEMENT unit (#PCDATA)>
+    <!ELEMENT city (#PCDATA)>
+    <!ELEMENT county (#PCDATA)>
+    <!ELEMENT country (#PCDATA)>
+    <!ELEMENT postalcode (#PCDATA)>
+
+    <!ELEMENT person (name, age, gender)>
+    <!ELEMENT name (first, last, junior?)>
+    <!ELEMENT first (#PCDATA)>
+    <!ELEMENT last (#PCDATA)>
+    <!ELEMENT junior EMPTY>
+    <!ELEMENT age (#PCDATA)>
+    <!ELEMENT gender (#PCDATA)>
+
+    <!ATTLIST spis_powszechny rachmistrz CDATA #REQUIRED>
+
+    <!ATTLIST person employed (fulltime|parttime) #IMPLIED>
+    <!ATTLIST person id CDATA #REQUIRED>
+]>
+<spis_powszechny rachmistrz="3163">
+    <date>
+        <year>2021</year>
+        <month>5</month>
+        <day>11</day>
+    </date>
+    <address>
+        <street>
+            Lane 111
+            <unit>4</unit>
+        </street>
+        <city>Big City</city>
+        <county>Greenwood</county>
+        <country>Ooo</country>
+        <postalcode>88-112</postalcode>
+    </address>
+    <person employed="fulltime" id="123098665">
+        <name>
+            <first>Miron</first>
+            <last>Baar</last>
+            <junior />
+        </name>
+        <age>39</age>
+        <gender>male</gender>
+    </person>
+    <person employed="parttime" id="020398665">
+        <name>
+            <first>Marion</first>
+            <last>Brug-Baar</last>
+        </name>
+        <age>36</age>
+        <gender>female</gender>
+    </person>
+    <person id="986650203">
+        <name>
+            <first>Barble</first>
+            <last>Baar</last>
+        </name>
+        <age>11</age>
+        <gender>male</gender>
+    </person>
+</spis_powszechny>
\ No newline at end of file
diff --git a/lab6/plik_dtd.dtd b/lab6/plik_dtd.dtd
new file mode 100644
index 0000000..11ee8f7
--- /dev/null
+++ b/lab6/plik_dtd.dtd
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!ELEMENT card (name, lastname, phone, email, address)>
+<!ELEMENT name (#PCDATA)>
+<!ELEMENT lastname (#PCDATA)>
+<!ELEMENT phone (#PCDATA)>
+<!ELEMENT email (#PCDATA)>
+<!ELEMENT address (street, building_number, postal_code, town)>
+<!ELEMENT street (#PCDATA)>
+<!ELEMENT building_number (#PCDATA)>
+<!ELEMENT postal_code (#PCDATA)>
+<!ELEMENT town (#PCDATA)>