diff --git a/src/lib/nbt.cpp b/src/lib/nbt.cpp
index 9e66fee..22124f6 100644
--- a/src/lib/nbt.cpp
+++ b/src/lib/nbt.cpp
@@ -840,8 +840,99 @@ namespace NBT {
         }
 
         ErrorOrVoid Int8Array::removeElement(uint64_t position) {
-            //TODO: implement
+            #pragma message("TODO: implement")
             //this->data.erase(position);
+            return ErrorOrVoid(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        String::String() {
+            this->type = TagType::STRING;
+        }
+
+        String::String(tiny_utf8::string name, tiny_utf8::string value) {
+            this->type  = TagType::STRING;
+            this->name  = name;
+            this->value = value;
+        }
+
+        ErrorOrVoid String::toRawData(std::vector<uint8_t>* rawData) {
+            rawData->push_back(this->type);
+
+            if (Helper::writeString(rawData, this->name).isError) {
+                return ErrorOrVoid(true, ErrorCodes::OVERRUN);
+            }
+
+            return Helper::writeString(rawData, this->value);
+        }
+
+        tiny_utf8::string String::getValue() {
+            return this->value;
+        }
+
+        void String::setValue(tiny_utf8::string value) {
+            this->value = value;
+        }
+
+        List::List() {
+            this->type = TagType::LIST;
+            this->containedType = TagType::INVALID;
+        }
+
+        List::List(tiny_utf8::string name, uint8_t type) {
+            this->type = TagType::LIST;
+            this->name = name;
+            this->containedType = type;
+        }
+
+        // WARNING: The pointers inside the vector are automatically cleaned
+        // up upon deletion of the List object. Do not retain a copy of them
+        // elsewhere and especially do not delete them externally.
+        List::List(tiny_utf8::string name, std::vector<Generic*> data) {
+            this->type = TagType::LIST;
+            this->name = name;
+            this->tags = data;
+
+            if (data.size() == 0) {
+                this->containedType = TagType::END;
+            } else {
+                this->containedType = data.at(0)->getTagType();
+            }
+        }
+
+        List::~List() {
+            for (uint64_t i=0; i<this->tags.size(); i++) {
+                delete this->tags.at(i);
+            }
+        }
+
+        ErrorOrVoid toRawData(std::vector<uint8_t>* rawData) {
+            #pragma message("TODO: Implement.")
+            return ErrorOrVoid(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        ErrorOr<Generic*> getElementPointer(uint64_t position) {
+            #pragma message("TODO: Implement.")
+            return ErrorOr<Generic*>(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        ErrorOrVoid setElementPointerAt(uint64_t position, Generic*) {
+            #pragma message("TODO: Implement.")
+            return ErrorOrVoid(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        ErrorOrVoid appendPointer(Generic*) {
+            #pragma message("TODO: Implement.")
+            return ErrorOrVoid(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        ErrorOrVoid deleteElement(uint64_t position) {
+            #pragma message("TODO: Implement.")
+            return ErrorOrVoid(true, ErrorCodes::UNIMPLEMENTED);
+        }
+
+        uint64_t length() {
+            #pragma message("TODO: Implement.")
+            return 0;
         }
     }
 
diff --git a/src/lib/nbt.hpp b/src/lib/nbt.hpp
index f9a3887..0635d44 100644
--- a/src/lib/nbt.hpp
+++ b/src/lib/nbt.hpp
@@ -220,7 +220,7 @@ namespace NBT {
         class List: public Generic {
             private:
                 std::vector<Generic*> tags;
-                uint8_t type;
+                uint8_t containedType;
             public:
                 List();
                 List(tiny_utf8::string name, uint8_t type);