diff --git a/module/VuFind/src/VuFind/Record/Checklist.php b/module/VuFind/src/VuFind/Record/Checklist.php
new file mode 100644
index 0000000000000000000000000000000000000000..3728f31f98254867ecdb86ff4582bbc82d6b1e33
--- /dev/null
+++ b/module/VuFind/src/VuFind/Record/Checklist.php
@@ -0,0 +1,142 @@
+<?php
+/**
+ * Checklist class (used for checking off a list of values)
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2018.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Record
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org Main Site
+ */
+namespace VuFind\Record;
+
+/**
+ * Checklist class (used for checking off a list of values)
+ *
+ * @category VuFind
+ * @package Record
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org Main Site
+ */
+class Checklist
+{
+ /**
+ * Unchecked values
+ *
+ * @var array
+ */
+ protected $unchecked;
+
+ /**
+ * Checked values
+ *
+ * @var array
+ */
+ protected $checked = [];
+
+ /**
+ * Constructor
+ *
+ * @param array $values Values for list (all begin unchecked)
+ */
+ public function __construct($values)
+ {
+ $this->unchecked = array_unique($values);
+ }
+
+ /**
+ * Get list of checked values.
+ *
+ * @return array
+ */
+ public function getChecked()
+ {
+ return array_values($this->checked);
+ }
+
+ /**
+ * Get list of unchecked values.
+ *
+ * @return array
+ */
+ public function getUnchecked()
+ {
+ return array_values($this->unchecked);
+ }
+
+ /**
+ * Are there checked items?
+ *
+ * @return bool
+ */
+ public function hasChecked()
+ {
+ return count($this->checked) > 0;
+ }
+
+ /**
+ * Are there unchecked items?
+ *
+ * @return bool
+ */
+ public function hasUnchecked()
+ {
+ return count($this->unchecked) > 0;
+ }
+
+ /**
+ * Check off a value, returning true if the value was found in the unchecked
+ * list and false if it was not.
+ *
+ * @param mixed $value Value to check
+ *
+ * @return bool
+ */
+ public function check($value)
+ {
+ $key = array_search($value, $this->unchecked);
+ if ($key !== false) {
+ unset($this->unchecked[$key]);
+ $this->checked[$key] = $value;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Uncheck a value, returning true if the value was found in the checked
+ * list and false if it was not.
+ *
+ * @param mixed $value Value to uncheck
+ *
+ * @return bool
+ */
+ public function uncheck($value)
+ {
+ $key = array_search($value, $this->checked);
+ if ($key !== false) {
+ unset($this->checked[$key]);
+ $this->unchecked[$key] = $value;
+ return true;
+ }
+ return false;
+ }
+}
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Record/ChecklistTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/ChecklistTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..1d0f1831b40f84bb1f2f9791057a5380c2f72f24
--- /dev/null
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Record/ChecklistTest.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * Checklist tests.
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2010.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+namespace VuFindTest\Record;
+
+use VuFind\Record\Checklist;
+
+/**
+ * Checklist tests.
+ *
+ * @category VuFind
+ * @package Tests
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development:testing:unit_tests Wiki
+ */
+class ChecklistTest extends \PHPUnit\Framework\TestCase
+{
+ /**
+ * Test checklists
+ *
+ * @return void
+ */
+ public function testChecklist()
+ {
+ $list = new Checklist(['a', 'b', 'c']);
+ $this->assertFalse($list->hasChecked());
+ $this->assertTrue($list->hasUnchecked());
+ // Check only returns true the first time:
+ $this->assertTrue($list->check('b'));
+ $this->assertFalse($list->check('b'));
+ // Not in list:
+ $this->assertFalse($list->check('nope'));
+ // Check intermediate state:
+ $this->assertEquals(['a', 'c'], $list->getUnchecked());
+ $this->assertEquals(['b'], $list->getChecked());
+ $this->assertTrue($list->hasChecked());
+ $this->assertTrue($list->hasUnchecked());
+ // Can't uncheck unchecked value:
+ $this->assertFalse($list->uncheck('c'));
+ // Check rest of list:
+ $this->assertTrue($list->check('a'));
+ $this->assertTrue($list->check('c'));
+ $this->assertFalse($list->hasUnchecked());
+ // Now uncheck something:
+ $this->assertTrue($list->uncheck('b'));
+ $this->assertEquals(['a', 'c'], $list->getChecked());
+ $this->assertEquals(['b'], $list->getUnchecked());
+ }
+}
\ No newline at end of file