diff --git a/Classes/PHPExcel/Reader/Gnumeric.php b/Classes/PHPExcel/Reader/Gnumeric.php
index aae491d..f0863bc 100644
--- a/Classes/PHPExcel/Reader/Gnumeric.php
+++ b/Classes/PHPExcel/Reader/Gnumeric.php
@@ -222,6 +222,36 @@ class PHPExcel_Reader_Gnumeric implements PHPExcel_Reader_IReader
 		return $data;
 	}
 
+	/**
+	 * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
+	 *
+	 * @param 	string 		$pFilename
+	 * @throws 	Exception
+	 */
+	public function listWorksheetNames($pFilename)
+	{
+		// Check if file exists
+		if (!file_exists($pFilename)) {
+			throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		}
+
+		$gFileData = $this->_gzfileGetContents($pFilename);
+
+		$xml = simplexml_load_string($gFileData);
+		$namespacesMeta = $xml->getNamespaces(true);
+
+		$gnmXML = $xml->children($namespacesMeta['gnm']);
+
+		$worksheetNames = array();
+
+		foreach($gnmXML->Sheets->Sheet as $sheet) {
+			$worksheetNames[] = (string) $sheet->Name;
+		}
+
+		return $worksheetNames;
+	}
+
+
 	/**
 	 * Loads PHPExcel from file into PHPExcel instance
 	 *
diff --git a/Classes/PHPExcel/Reader/OOCalc.php b/Classes/PHPExcel/Reader/OOCalc.php
index 8afdf42..20cd745 100644
--- a/Classes/PHPExcel/Reader/OOCalc.php
+++ b/Classes/PHPExcel/Reader/OOCalc.php
@@ -186,6 +186,42 @@ class PHPExcel_Reader_OOCalc implements PHPExcel_Reader_IReader
 		return false;
 	}
 
+	/**
+	 * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
+	 *
+	 * @param 	string 		$pFilename
+	 * @throws 	Exception
+	 */
+	public function listWorksheetNames($pFilename)
+	{
+		// Check if file exists
+		if (!file_exists($pFilename)) {
+			throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		}
+
+		$worksheetNames = array();
+
+		$zip = new ZipArchive;
+		if ($zip->open($pFilename) === true) {
+
+			$xml = simplexml_load_string($zip->getFromName("content.xml"));
+			$namespacesContent = $xml->getNamespaces(true);
+
+			$workbook = $xml->children($namespacesContent['office']);
+			foreach($workbook->body->spreadsheet as $workbookData) {
+				$workbookData = $workbookData->children($namespacesContent['table']);
+				foreach($workbookData->table as $worksheetDataSet) {
+					$worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
+
+					$worksheetNames[] = $worksheetDataAttributes['name'];
+				}
+			}
+		}
+
+		return $worksheetNames;
+	}
+
+
 	/**
 	 * Loads PHPExcel from file
 	 *
diff --git a/changelog.txt b/changelog.txt
index 3cb0f76..a81585f 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -26,7 +26,7 @@
 Fixed in SVN:
 - Feature:  (MBaker) Provide option to use PCLZip as an alternative to ZipArchive.
 					 This allows the writing of Excel2007 files, even without ZipArchive enabled (it does require zlib), or when php_zip is one of the buggy PHP 5.2.6 or 5.2.8 versions
-- Feature:	(MBaker) Work item 14979 - Added listWorksheetNames() method to Excel2007 and Excel5 Readers, allowing a user to extract a list of worksheet names from a file without parsing/loading the whole file.
+- Feature:	(MBaker) Work item 14979 - Added listWorksheetNames() method to Excel2007, Excel5, OOCalc and Gnumeric Readers, allowing a user to extract a list of worksheet names from a file without parsing/loading the whole file.
 - Bugfix:   (MBaker) Work item 14888 - Simple =IF() formula disappears
 - Bugfix:	(MBaker) Work item 14898 - PHP Warning: preg_match(): Compilation failed: PCRE does not support \\L, \\l, \\N, \\P, \\p, \\U, \\u, or \\X
 - Bugfix:	(MBaker) Work item 14901 - VLOOKUP choking on parameters in PHPExcel.1.7.5/PHPExcel_Writer_Excel2007